Water Purifiers
Filter Replacements
Filter Replacements · ₹1,000 – ₹3,500 per set
Kent Grand Plus Filter Replacement: Every Cartridge Explained (2026)
By Bikram Nath · Updated 2026-06-28 · How we pick · Affiliate disclosure: links earn a small commission
What's the best kent grand plus filter replacement to buy in India?
Where do I buy a genuine Kent Grand Plus filter replacement in India? Through Kent authorised service if the unit is under AMC — Kent-original cartridges preserve the warranty, which costs less than a single non-AMC service visit.
India’s BIS drinking-water standard, IS 10500, sets the acceptable limit for total dissolved solids (TDS) at 500 mg/L — relaxed to 2000 mg/L only where no better source exists — with an acceptable pH range of 6.5–8.5; a purifier’s job is to bring your source water within these limits. BIS IS 10500:2012 (opens in new tab)
Out of AMC, Vontron 75 GPD membrane + Wellon 4-cartridge kit is the working DIY combo. Kent-original ₹2,000–₹3,500; DIY compatibles ₹1,000–₹1,800. Identify your variant before ordering — Grand Plus 2020–24 housings differ, look under the front flap for codes 11112 or 11152. Indian hard-water zones (Pune, Bengaluru borewell, Chennai coastal) push membranes to 12 months not 24 — buy a ₹200 TDS meter and check input + output monthly. Owner pattern-reads flag three recurring DIY failures: cross-threaded housings, pinched O-rings on reassembly, and reverse-installed membranes (TDS reads high after a fresh swap). Never wrench plastic housings — hand-tight only. Cross-reference Croma's Kent counter for original packaging confirmation. Sasta nahi, pakka.
Kent Original Sediment, Pre-Carbon & Post-Carbon Filter Set for Grand Plus / Supreme Plus / Elegant
Best OEM option if your Kent is under 4 years old or still on AMC — worth the premium to preserve warranty.
Affiliate links — we may earn a commission. Your price stays identical.
Buying the cartridges, not doing the replacement?
This guide lists which cartridges to buy. The step-by-step replacement procedure is on a separate page — How to Replace RO Water Purifier Filters — 6 steps, ~60 minutes, no plumber needed.
Quick Comparison
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | Kent Original Sediment, Pre-Carbon & Post-Carbon Filter Set for Grand Plus / Supreme Plus / Elegant | OEM Choice | Kent | Check price on Amazon | |
| 2 | Vontron 75 GPD RO Membrane for Kent / Aquaguard / Universal | Best Value | Vontron | Check price on Amazon | |
| 3 | Wellon Compatible Filter Kit for Kent Grand Plus (Sediment + Pre-Carbon + Post-Carbon + Membrane) | — | Wellon | Check price on Amazon | |
| 4 | Kent Original UV Lamp 11W for Grand Plus / Supreme Plus / Elegant | Most Trusted | Kent | Check price on Amazon | |
| 5 | Aquadart Compatible Sediment + Pre-Carbon + Post-Carbon Set for Kent Grand Plus | — | Aquadart | Check price on Amazon |
Our Top Picks
Kent Original Sediment, Pre-Carbon & Post-Carbon Filter Set for Grand Plus / Supreme Plus / Elegant
Kent
OEM ChoiceCartridges included
3 (Sediment + Pre-Carbon + Post-Carbon)
Service life
6–12 months
Compatibility
Kent Grand Plus, Supreme Plus, Elegant
OEM
Yes
Pros
- ✓Kent-original parts — keeps AMC warranty intact
- ✓Housing threads match factory spec, no hand-fitting required
- ✓QC consistent batch to batch
- ✓Covers the three most frequently replaced stages in one box
Cons
- ✗RO membrane NOT included — order separately
- ✗UV lamp NOT included — separate purchase
- ✗Priced ~2× compatible alternatives
“Best OEM option if your Kent is under 4 years old or still on AMC — worth the premium to preserve warranty.”
Check price on Amazon
Vontron 75 GPD RO Membrane for Kent / Aquaguard / Universal
Vontron
Best ValueCartridges included
1 (RO Membrane only)
Service life
12–24 months
Compatibility
Kent Grand Plus and all 75 GPD domestic RO units
OEM
No (Compatible)
Pros
- ✓Industry-standard membrane used by several brand-labellers in India
- ✓Rejection rate typically 92–96% — within OEM range
- ✓Fraction of the cost of a Kent-original membrane
- ✓Fits the standard 2012 housing used by Grand Plus
Cons
- ✗No Kent warranty — voids AMC on units still covered
- ✗Occasional batch variance on rejection rate
- ✗Requires careful install — reversed orientation is the most common user error
“Best value replacement membrane for out-of-AMC units. Check TDS after install to confirm rejection.”
Check price on Amazon
Wellon Compatible Filter Kit for Kent Grand Plus (Sediment + Pre-Carbon + Post-Carbon + Membrane)
Wellon
Cartridges included
4 (Sediment + Pre-Carbon + Post-Carbon + 75 GPD Membrane)
Service life
12 months on pre/post, 12–24 on membrane
Compatibility
Kent Grand Plus, Supreme Plus, Pristine, Excell
OEM
No (Compatible)
Pros
- ✓Full 4-cartridge kit — covers an entire service cycle in one order
- ✓Cheaper than buying OEM cartridges and membrane separately
- ✓Wellon has been in the Indian RO aftermarket since 2012
- ✓Includes install documentation
Cons
- ✗Housing threads are within tolerance but occasionally need extra hand-force
- ✗Voids AMC warranty
- ✗UV lamp still sold separately
“Cheapest complete kit for an out-of-AMC Kent. Good choice for households doing a full annual refresh at once.”
Check price on Amazon
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Kent Original UV Lamp 11W for Grand Plus / Supreme Plus / Elegant
Kent
Most TrustedCartridges included
1 (UV lamp)
Service life
~6,000 hours / 12 months
Compatibility
Kent Grand Plus, Supreme Plus, Elegant
OEM
Yes
Pros
- ✓Kent-original Philips-made lamp, correct spectrum at 254 nm
- ✓Matches factory wattage — no UV controller errors
- ✓Plug-and-play fit in the standard Grand Plus chamber
- ✓Preserves AMC warranty
Cons
- ✗No compatible UV lamp recommended for safety-critical stage
- ✗Glass sleeve sold separately if yours is scaled
- ✗Service life halves if unit runs on a high-surge power line without stabiliser
“Most trusted UV replacement for Kent — compatible lamps aren't worth the risk for a microbial-safety component.”
Check price on Amazon
Aquadart Compatible Sediment + Pre-Carbon + Post-Carbon Set for Kent Grand Plus
Aquadart
Cartridges included
3 (Sediment + Pre-Carbon + Post-Carbon)
Service life
6 months
Compatibility
Kent Grand Plus, Supreme Plus
OEM
No (Compatible)
Pros
- ✓Cheapest 3-cartridge set for a Grand Plus
- ✓Works fine in moderate-TDS municipal-water households
- ✓Reasonable QC for the price band
- ✓Easy to reorder in bulk for 2-year supply
Cons
- ✗Reports of thinner housing walls — be careful not to overtighten
- ✗Voids AMC warranty
- ✗Variable carbon quality between batches
“Cheapest compatible 3-pack — acceptable for out-of-AMC Kents on low-TDS municipal water. Not recommended for high-TDS borewell.”
Check price on Amazon
Prices shown are pulled live from Amazon.in and refresh through the day. Amazon prices and availability change frequently — the price on the Amazon product page at the time of purchase is the one that applies. As an Amazon Associate, PakkaPick earns from qualifying purchases; your price is unaffected.
Editor's read
Most Indians treat water purifier maintenance like car servicing—ignored until it breaks. The real gamble isn't which filter to buy; it's knowing when. Kent's OEM cartridges cost 1.8× more than Vontron's 75 GPD membrane, but that premium vanishes the moment your AMC expires. I'd grab the Kent Original Sediment set if you're under 2 years old and still covered; swap to Wellon's 4-cartridge kit the day that warranty lapses. Hard-water cities like Pune and Bengaluru chew through membranes in 12 months flat—a ₹200 TDS meter beats calendar guessing. Skip the compatible UV lamps though. Microbial safety isn't where you gamble.
— Bikram, editor
Editor's take
Water purifier filters in India need replacement every 6-12 months depending on input water TDS — but most Indian families forget until water tastes bad. Kent and Vontron models with filter change indicators prevent the unsafe water consumption that happens when expired filters pass through contaminants they can no longer trap.
Further reading
How we picked these filter replacements
Every pick on this page starts from real shopper questions, not Amazon's bestseller rankings. We favour products with a deep, stable base of genuine Indian reviews over brand-new listings or ones with only a handful of ratings, and we cross-check the specs that matter for Indian conditions against manufacturer and expert sources. Our picks are researched from published specifications, expert reviews and aggregate buyer feedback — not hands-on lab testing — so we focus on telling you what to weigh for your situation rather than claiming to have bench-tested every unit.
Pricing on this page reflects realistic Amazon India retail. We ignore one-day flash deals, Prime-Day-only discounts, and stabilised retailer-only coupons that don't hold for someone shopping on a normal Tuesday. The ₹1,000 – ₹3,500 per setband is what you'll actually pay if you walk into this listing today, not the cherry-picked best-discount value.
Our editorial process is one person — Bikram, based in Pune — researching water purifiers products against Indian use-case constraints (voltage variability, hard water in many cities, monsoon humidity, smaller flat sizes than Western default). The order of products on this page reflects our editorial ranking only. We do not accept paid placements, sponsored slots, or PR-pitched products. Our only commercial relationship is the Amazon affiliate link — clicking through earns a small commission, your price stays identical.
Standards & sources
- BIS IS 10500 — Drinking Water Specification (opens in new tab) — India's drinking-water quality limits are defined by BIS standard IS 10500 — a purifier's job is to bring your source water within these limits.
- Bureau of Indian Standards (BIS) — product registration (opens in new tab) — Many electronic goods sold in India require BIS registration for safety; you can look up a product's BIS registration on the BIS portal.
Buying filter replacements in India — what to know
- Indian retail vs imported products: Most filter replacements listed here have official Indian distributor warranty. Imported (grey market / parallel import) units are sometimes cheaper but carry no Indian service-centre warranty — for water purifiers, that gap is meaningful since service infrastructure varies sharply between metros and tier-2 cities.
- Voltage and electrical compatibility: Indian mains is 230V at 50Hz with notable fluctuation outside metros. Most filter replacements in this category aren't voltage-sensitive, but verify the product page mentions Indian voltage compatibility before importing or buying grey-market units.
- Delivery realities: Amazon India Prime delivery in metros lands in 1-2 days; tier-2 cities 3-5 days; remote pincodes 5-7. For festive periods (Diwali week, Raksha Bandhan, year-end), even Prime delivery slips by 1-2 days due to demand surges. Build that buffer into your purchase timing if the kent grand plus filter replacement is for a specific date.
- Return window math: Standard Amazon India return window is 7-10 days from delivery, not from purchase or unboxing. For gifts and items received before the actual occasion, the return clock starts on delivery — order closer to your need-by date so the return option remains live if the product disappoints.
- Warranty registration: Most water purifiersbrands require online warranty registration within 7-15 days of delivery. Skipping this step often means the warranty period defaults to the manufacturing date (which can be months earlier) instead of your delivery date. Register on the brand's website with your invoice number — takes 2 minutes, saves a potential 1-3 month warranty gap.
- Stabiliser / surge protection: India's grid sees more voltage events than most product engineering tolerances assume. For filter replacements with electronic components, the 50–100 additional spend on a quality stabiliser pays for itself the first time it saves you from a power-surge replacement.
We Also Considered
Solid alternatives we evaluated. They didn't beat our top picks for this specific use case, but they're worth a look if your priorities differ.
Konvio Neer Compatible Full Kit for Kent Grand Plus
View on Amazon →Cheapest full-kit option but the post-carbon cartridge diameter is marginally thinner than Wellon's — works but the housing O-ring needs re-seating more carefully to avoid bypass.
Hi-Tech 11W UV Lamp for Kent Grand Plus
View on Amazon →Half the price of Kent genuine UV lamp but average lifespan is 7-8 months vs genuine's 10-12 — acceptable trade-off if you don't mind swapping more frequently.
What to Look For
- 1.Identify your exact variant before ordering. The Grand Plus sold in 2020–2024 uses slightly different housing than the 2025 refresh. Look under the front flap for the model sticker (e.g. 11112, 11152). Kent's OEM boxes list compatible model numbers — match them before paying. If you order blind off a listing that only says "Grand series," you may receive housings that don't thread onto your unit.
- 2.OEM vs compatible — the honest trade-off. Kent-original cartridges are QC-consistent, come with Kent's warranty paperwork, and cost roughly 1.8–2.2× the price of Vontron, Wellon, or Aquaboss equivalents. Compatibles from reputed brands (Vontron especially) perform within 5–10% of OEM on RO membrane rejection, but you lose any remaining AMC warranty and there's no recourse if a housing leaks.
- 3.Installation safety — do this right. Turn off the inlet water valve and unplug the unit before touching anything. RO systems hold residual pressure: open the dispenser tap to bleed it before unscrewing any housing. Drain the tank if you're replacing the membrane. Wear gloves — old carbon filters stain. Dry-fit the new cartridges, then tighten housings by hand only. Never use a wrench on plastic housings.
- 4.Warranty implications are real. A Kent AMC is void the moment non-OEM parts go in. If your unit is under 1 year old or under AMC, pay for genuine cartridges — the price delta is less than a single service visit. If the unit is 4+ years old and out of AMC, the warranty argument doesn't apply and compatibles are reasonable.
- 5.TDS and regional factors matter more than the calendar. Coastal cities (Chennai, Mumbai, Vizag) and hard-water zones (Pune, Bengaluru borewell) push membranes harder — plan 12-month membrane changes rather than 24. Soft-water cities (parts of Delhi on Yamuna supply) often stretch to 24 months. Buy a ₹200 TDS meter and check input + output monthly; that's a better replacement signal than guesswork.
- 6.When to call a technician instead of DIY. If water is leaking from the top of a housing after install, if the UV lamp won't seat, or if output TDS stays high after a new membrane, stop and book a service visit. The three most common DIY failures are: cross-threaded housings, O-rings pinched on reassembly, and membrane installed reverse. None are catastrophic but all require a technician to fully reset.
Frequently Asked Questions
Is a Kent Grand Plus filter replacement covered under BIS certification in India?
Kent original filter cartridges — sediment, pre-carbon, and post-carbon — are manufactured under Kent's BIS-registered process, but the cartridges themselves are not individually BIS-marked consumer items. The purifier unit carries BIS IS 16240 certification. Using non-Kent cartridges can void the unit's warranty; Kent-original sets for Grand Plus are typically priced around ₹1,299 per three-filter set on Amazon.in and through Kent's authorised service network.
Which Kent filter set is compatible with Grand Plus, Supreme Plus, and Elegant models?
The Kent Original Sediment, Pre-Carbon and Post-Carbon Filter Set (model code compatible with Grand Plus, Supreme Plus, and Elegant) is a single SKU that fits all three variants. This three-in-one set covers the mechanical and carbon-block stages. The RO membrane and UV lamp are separate consumables with different replacement intervals — typically every 2–3 years for the membrane versus every 6–12 months for the pre-filter set.
Can I replace Kent Grand Plus filters myself, or does it require a paid service visit?
The sediment and carbon block cartridges are designed as user-replaceable on most Kent Grand Plus units — the filter housing uses a quarter-turn sump that can be removed without tools. However, if the unit is under an Annual Maintenance Contract (AMC), Kent's terms typically require authorised technician replacement to keep the AMC valid. Outside AMC, self-replacement is straightforward and saves the standard ₹400–₹700 service visit charge.
How many months do Kent Grand Plus filter cartridges last in hard-water areas like Delhi or Jaipur?
In high-TDS zones (above 500 ppm, common in Delhi, Jaipur, and parts of Punjab), the sediment pre-filter typically clogs in 4–6 months rather than the standard 6–12 month interval recommended for softer municipal supply. Kent advises checking the pre-filter indicator or sediment cartridge colour every three months if your source TDS is above 400 ppm. Monsoon months can further accelerate sediment loading due to increased turbidity in supply water.
How long does Amazon India take to deliver filter replacements?
Amazon Prime members in metros (Mumbai, Delhi, Bangalore, Pune, Chennai, Hyderabad, Kolkata, Ahmedabad) typically get 1-2 day delivery. Tier-2 cities take 3-5 days. Remote pincodes (parts of North-East, interior Himachal, smaller towns in MP and Odisha) take 5-7 days. For filter replacements, we recommend verifying delivery date on the Amazon listing before checkout — bulkier water purifiers items occasionally take longer than the displayed Prime estimate.
Are these filter replacements available with No-Cost EMI on Amazon India?
Most products in the ₹1,000 – ₹3,500 per set range qualify for No-Cost EMI on Amazon India when you check out with a credit card from HDFC, ICICI, Axis, SBI, or Kotak Mahindra. Some debit cards from these banks also work. The exact EMI options appear on the product page after you select a payment method — typically 3, 6, 9 month no-cost terms for ₹1,000 – ₹3,500 per set, with longer 12-24 month terms available at small interest. Amazon Pay Later is also an option for orders under ₹60,000.
Can I return filter replacements on Amazon if they don't work as expected?
Most filter replacements on Amazon.in have a 7-10 day return window from delivery date for replacement or refund, provided the item is unused and in original packaging with all accessories. Personal-care and consumable items are typically non-returnable once the seal is broken. For appliances and electronics, the manufacturer warranty (usually 1-2 years) covers defects beyond Amazon's return window — register the product with the brand within 7 days of delivery to lock in the warranty start date.
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Top Pick
Kent Original Sediment, Pre-Carbon & Post-Carbon Filter Set for Grand Plus / Supreme Plus / Elegant