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Water Filter Cartridges

Are you looking for an easy and efficient way to filter your water? Look no further than OnBuy's selection of water filter cartridges. Whether you're looking for a replacement or an upgrade, you'll find a wide range of products to choose from. From activated carbon filters to sediment filters, you'll find the perfect option for your needs. With a range of sizes and styles, you'll be sure to find a filter that fits your water system. The high-quality materials used in the construction of these cartridges ensures that you get the best filtration possible. With easy installation and maintenance, you'll be able to enjoy clean, safe water in no time. So, why not browse OnBuy's selection today and find the perfect water filter cartridge for your needs?

Brita Water Filters Aqua Optima Water Filters

Showing 1-60 of 3,603 results

BRITA MAXTRA PRO All-in-1 Water Filter Cartridge

(135) £27.57 After Cashback £27.29 Fast & Free Delivery£0.28 Instant Cashback

BRITA MAXTRA PRO Limescale Expert Water Filter Cartridge,Pack of 6 - Original BRITA refill.

(13) £22.55 After Cashback £21.99 PopularFree Delivery£0.56 Instant Cashback

BRITA MAXTRA PRO All In One Water Filter Cartridge Pack of 6 Original

(18) £28.00 Save 20% £22.40 After Cashback £22.18 Fast & Free Delivery£0.22 Instant Cashback

BRITA MAXTRA PRO All-in-1 Water Filter Cartridge 6 Pack - Original BRITA refill reducing impurities, chlorine, pesticides and limescale

(19) £27.62 After Cashback £27.34 Fast & Free Delivery£0.28 Instant Cashback

BRITA MAXTRA PRO Limescale Expert Water Filter Cartridge 6Pk.

(9) £22.29 After Cashback £21.73 Free Delivery£0.56 Instant Cashback

BRITA MAXTRA PRO All-in-1 Water Filter Cartridge 6 Pack (NEW)

(4) £29.99 After Cashback £29.69 Fast & Free Delivery£0.30 Instant Cashback

BRITA MAXTRA PRO All-In-1 Water Filter Cartridge 6 Pack

(6) £27.00 After Cashback £26.73 Free Delivery£0.27 Instant Cashback

BRITA MAXTRA PRO All-in-1 Water Filter Cartridge 6 Pack Original BRITA refill reducing impurities, chlorine, pesticides and limescale for tap water

(3) £25.56 After Cashback £25.30 Free Delivery£0.26 Instant Cashback

6pk BRITA Maxtra+ Water Filter Cartridges

(249) £26.53 After Cashback £26.26 Fast & Free Delivery£0.27 Instant Cashback

BRITA P1000 Tap Water Filter Refill Replacement Kitchen Tap Cartridge

(146) £39.99 After Cashback £39.59 Free Delivery£0.40 Instant Cashback

Brita Maxtra Plus Filter Cartridges 6 pack

(47) £26.48 After Cashback £26.22 Fast & Free Delivery£0.26 Instant Cashback

BRITA P1000 replacement filter cartridge for BRITA filter taps , reduces chlorine, limescale and impurities

(11) £37.99 After Cashback £37.61 Fast & Free Delivery£0.38 Instant Cashback

BRITA P1000 replacement filter cartridge for BRITA filter taps, reduces chlorine, limescale and impurities (Packaging may vary)

(1) £45.00 After Cashback £44.55 Fast & Free Delivery£0.45 Instant Cashback

BRITA, MAXTRA PRO All In One Water Filter Cartridge Pack of 6 Original

(4) £25.96 After Cashback £25.70 Free Delivery£0.26 Instant Cashback

2 Pcs Replacement Fluoride Water Filter K5366 PF-2 Compatible with Gravity Water Filtering System Purification Elements. £27.44 Save 5% £26.17 After Cashback £25.52 Free Delivery£0.65 Instant Cashback

BRITA MAXTRA PRO All in 1 Water Filter Cartridge 6 Pack NEW Original BRITA refill reducing impurities chlorine for tap water with better taste

(2) £32.37 After Cashback £32.05 Fast & Free Delivery£0.32 Instant Cashback

Alpro This Is Not M*Lk Whole Oat Long Life Drink, Vegan & Dairy Free, 1L (Pack of 8).

(3) £15.75 After Cashback £15.59 Free Delivery£0.16 Instant Cashback

Brita S1231 Classic Flter Cartridges, 3 Pack.

(4) £19.46 After Cashback £19.27 Free Delivery£0.19 Instant Cashback

Filters 4-pack Bpa-free Replacement Water For Pitchers And Dispensers Nsf Certified To Reduce Lead And Other Heavy Metals - 4-pack 4-pack £157.74 After Cashback £156.16 Fast & Free Delivery£1.58 Instant Cashback

FilterLogic Universal 6 Pk Water Filters Compatible with Brita Maxtra+.

(4) £14.50 After Cashback £14.14 Fast & Free Delivery£0.36 Instant Cashback

Aqua Optima Water Filter Evolve+ 6 pack (6 Months Supply), Brita Compatible

(3) £17.99 After Cashback £17.81 Fast & Free Delivery£0.18 Instant Cashback

BRITA MAXTRA water filter cartridges BRITA jugs -- 6 pack

(3) £27.14 After Cashback £26.87 Fast & Free Delivery£0.27 Instant Cashback

BRITA P1000 replacement filter cartridge for BRITA filter taps, reduces chlorine, limescale and impurities £49.90 After Cashback £49.40 Fast & Free Delivery£0.50 Instant Cashback

MAXTRA PRO Limescale Expert Water Filter Cartridge,Pack of 6 -BRITA refill for ultimate appliance protection, reducing impurities, chlorine and metals £31.37 After Cashback £31.06 Fast & Free Delivery£0.31 Instant Cashback

BRITA MAXTRA PRO All-in-1 Water Filter Cartridge 4 Pack (NEW) -

(1) £28.00 After Cashback £27.72 Free Delivery£0.28 Instant Cashback

BRITA P 3000 Tap Water Filter Refill Cartridge

(22) £69.58 After Cashback £68.88 Fast & Free Delivery£0.70 Instant Cashback

Multiple Options Available (3) Hygrad 3 & 6 Universal Limescale Water Pitcher Filter Cartridge For Brit Maxtra+. From £7.99 After Cashback £7.79 PopularFast & Free Delivery£0.20 Instant Cashback

12pk BRITA Maxtra+ Cartridges | Replacement Water Filters For BRITA Jugs

(43) £59.45 After Cashback £58.86 Fast & Free Delivery£0.59 Instant Cashback

UniX Filter Cartridge, Replacement for Brita Classic, PearlCo, Mavea 107007, AquaOptima RUF916 10pk.

(3) £19.70 After Cashback £19.21 Fast & Free Delivery£0.49 Instant Cashback

Quooker Compatible Scale Control Plus Water Filter SpringClear.

(1) £69.99 After Cashback £69.29 Fast & Free Delivery£0.70 Instant Cashback

Aqua Optima Water Filter Evolve+ 12 pack (12 Months Supply), Brita Compatible

(3) £32.99 After Cashback £32.66 Fast & Free Delivery£0.33 Instant Cashback

3 Pack Refrigerator Water Filter For Samsung Da97-17376b Haf-qin Da97-08006c Quality £68.00 After Cashback £67.32 Fast & Free Delivery£0.68 Instant Cashback

BRITA MAXTRA+ water filter cartridge - 6 pack

(12) £35.46 After Cashback £35.11 Fast & Free Delivery£0.35 Instant Cashback

FilterLogic FL402 Universal 6pk Compatible Water Filters fits Brita Maxtra+.

(1) £14.50 After Cashback £14.36 Fast & Free Delivery£0.14 Instant Cashback

Russell Hobbs Pearl Glide Steam Iron, Pearl Infused Ceramic Soleplate for smoother glide, 40g Continuous steam, 2m Cord, 2600W, 23972 £28.00 After Cashback £27.72 Fast & Free Delivery£0.28 Instant Cashback

(Only Filter) Boiling Water Tap Replacement Carbon Filter Without Housing Set - Replace Filter on Existing Housing (Only Compatible wih Filter Housing). £24.99 After Cashback £24.37 PopularFast & Free Delivery£0.62 Instant Cashback

Philips CA690310 AquaClean Wasserfilter £13.00 After Cashback £12.87 Fast & Free Delivery£0.13 Instant Cashback

(P1000 Cartridge) P1000 replacement filter cartridge for BRITA filter taps, reduces chlorine, limescale and impurities

(2) £45.00 After Cashback £44.55 Fast & Free Delivery£0.45 Instant Cashback

Multiple Options Available (6) Hygrad 3 & 6 Universal Limescale Water Pitcher Filter Cartridge For Brit Maxtra+. From £12.99 After Cashback £12.67 Fast & Free Delivery£0.32 Instant Cashback

MAXTRA PRO Limescale Expert Water Filter Cartridge 3 Pack - Original BRITA refill for ultimate appliance protection,. £19.86 After Cashback £19.66 Free Delivery£0.20 Instant Cashback

Brita Maxtra Pro Limescale Expert 12 Pack. £64.95 After Cashback £64.30 Fast & Free Delivery£0.65 Instant Cashback

6 x BWT Longlife Mg2+ 120L Litre Refill Cartridge Mineralised Water Filter Pack

(10) £30.00 After Cashback £29.70 Free Delivery£0.30 Instant Cashback

Aqua Optima Evolve+ Water Filter Cartridge, 3 Pack (3 Months Supply)

(1) £10.99 After Cashback £10.88 Fast & Free Delivery£0.11 Instant Cashback

Culligan 216907 Ultra Filtration Water Filter Cartridge 3 Stage. £103.91 After Cashback £102.87 +£15.00 Delivery£1.04 Instant Cashback

BRITA 4006387074845 Water Filter, Plastic.

(1) £12.24 After Cashback £12.12 Free Delivery£0.12 Instant Cashback

Water Filter Element for BERKEY Purification System Cartridge Filters Black x 2.

(12) £52.24 After Cashback £51.72 Fast & Free Delivery£0.52 Instant Cashback

TZ70033A Brita Intenza Water Filter for Bean to Cup Espresso Machines, Value Pack, Pack of 3, White £30.57 After Cashback £30.26 Fast & Free Delivery£0.31 Instant Cashback

(P1000 Cartridge) P1000 On Line Active Plus Replacement Cartridge for Tap Filters. £45.99 After Cashback £45.53 Free Priority Delivery£0.46 Instant Cashback

Water Filter Element for BERKEY Purification System Cartridge Filters Black x 4.

(2) £99.68 After Cashback £98.68 Fast & Free Delivery£1.00 Instant Cashback

Quooker Compatible Cold Water Filter Water Switch SpringClear SPC-QUO. £39.99 After Cashback £39.59 Fast & Free Delivery£0.40 Instant Cashback

Maldon Salt - Ceramic Salt Pig Set with Pinch Pot | Made of Quality Ceramic with a Classic Design | Cream. £27.11 After Cashback £26.43 Free Delivery£0.68 Instant Cashback

PG Tips One Cup Square Teabags, 1100 count (Pack of1). £25.49 After Cashback £25.24 Free Delivery£0.25 Instant Cashback

Universal Filters For BRITA MAXTRA & Maxtra Water Filter Cartridge x 3

(3) £8.00 After Cashback £7.92 Fast & Free Delivery£0.08 Instant Cashback

12 x FilterLogic FL402 Universal Compatible with Brita Maxtra.

(1) £29.99 After Cashback £29.69 Fast & Free Delivery£0.30 Instant Cashback

Oral-B Pro Sensitive Clean Electric Toothbrush Head, X-Shaped & Extra Soft Bristles For Gentle Brushing & Plaque Removal, Pack of 10 Toothbrush Heads.

(2) £31.27 After Cashback £30.96 Free Delivery£0.31 Instant Cashback

Salomon Soft Reservoir 2l Unisex Hydration Accessories, Camelback, Comfort, Easy to Use, and High-flow Bite Valve, Blue. £37.65 After Cashback £37.27 Free Delivery£0.38 Instant Cashback

AQUAPHOR A5Mg (Added magnesium) replacement water filter cartridges, fits all A5 filter jugs, 2 pack, 350l per filter

(2) £17.60 After Cashback £17.42 Free Delivery£0.18 Instant Cashback

COFFEE MATE Coffee Whitener 2.5kg Bag

(3) £23.00 After Cashback £22.77 Fast & Free Delivery£0.23 Instant Cashback

Thermos 190754 Stainless King Flask, Stainless Steel, Matt Black, 1.2 L. £37.50 After Cashback £37.12 Free Delivery£0.38 Instant Cashback

Philips OneBlade Pro 360 Hybrid Face + Body - Electric Beard Trimmer, Shaver and Bodygroomer, 1 x 360 Blade, 1 x 14-length Comb, (model QP6651/30)

(1) £115.98 After Cashback £114.82 Fast & Free Delivery£1.16 Instant Cashback

Our highest rated water filter cartridges

BRITA P 3000 Tap Water Filter Refill Cartridge

I have a Brita filter tap which I usually needs a replacement P1000 every six months or so. Its not the cheapest way of having filtered water, but it’s more convenient than having a jug in the fridg...

6pk BRITA Maxtra+ Water Filter Cartridges

I have used Brita filters for years, they simply do an amazing job, the water becomes literally sweet to the palette and tea becomes amber in colour and not the usual brown, sounds an exaggeration I k...

Crenex 4L Stainless Steel Water Distiller Pure Water Filter Purifier

Recently our water tasted like there were a lot of chemicals in there and even felt like it burned the mouth, even after running it through a standard carbon filter. This has been resolved with this d...

BRITA MAXTRA PRO All-in-1 Water Filter Cartridge

I haven't yet tried this new type. My filter jug isn't ready to be changed yet, so I can't give a review on this particular type of filter yet. Though I have used brita maxtra for years because it's s...

4 Pack True HEPA Replacement Filter Compatible for RIGOGLIOSO GL2103 JINPUS -2103 and LTLKY 900S Desktop Air Purifier

Excellent all round service. Superb value, my previous purchses of replacement filters no longer stocked them. After an extensive search, onbuy were by far the best value for money and free p&p. I was...

BRITA P1000 Tap Water Filter Refill Replacement Kitchen Tap Cartridge

I've bought through OnBuy several times now and have always had positive result. Even with a wide variety of products, from software, machinery and even these water filters, I've found their prices un...

Brita Maxtra Plus Filter Cartridges 6 pack

I am less than happy to be leaving thus review as m order for Britta Filters never arrived. It had taken several mails between Onbuy.com to get my money refunded. Onbuy.com have been really proffessio...

Brita S1231 Classic Flter Cartridges, 3 Pack

Relieved there is still a supplier of the above water cartridges. Thank you. These have been difficult to buy due to changes with the latest Brita Water Filter Jugs which have a totally different size...

Philips Lady Shaver Series 8000 BRL176/00 Cordless Shaver with Wet and Dry use BRL176/00, White

Wife was looking for a shaver and after looking at various shavers; this one came out on top. Started to then compare prices and OneBuy came out far cheaper than other websites. Credit to Mayfair Trad...

12pk BRITA Maxtra+ Cartridges | Replacement Water Filters For BRITA Jugs

Excellent product, I changed from Brita filter few months ago to waterdrop cos I liked the shape of it and my kettle started to get limescale within a few days, I had to buy another brita filter jug...

BRITA MAXTRA PRO Limescale Expert Water Filter Cartridge 6Pk

The product is readily available in the shops, but this provider offered the limescale inhibitor and a good price. These products can take a few days to arrive on standard delivery so order ahead of...

Aqua Optima Water Filter Evolve+ 6 pack (6 Months Supply), Brita Compatible

Living in a hard water area can cause issues with limescale build up in the kettle. We've always used a Brita filter jug to try and hold off the limescale, so seeing a cheaper alternative to Brita fil...

AQUAPHOR A5Mg (Added magnesium) replacement water filter cartridges, fits all A5 filter jugs, 2 pack, 350l per filter

This is my top up. They last 3 months each so six months worth of filter. They work out so much cheaper than purchasing every month like I had to with my last jug. I have only used these in an aquapho...

2 x BRITA P1000 Tap Water Filter Refill Replacement Kitchen Cartridge

I was really pleased to see these water filter cartridges at a reasonable price as they're always much more expensive elsewhere. I was a little sceptical having never used onbuy before but they arrive...

BRITA MAXTRA PRO All In One Water Filter Cartridge Pack of 6 Original

I usually buy the filter cartridges when I have run out and end up paying more than I need to. Buying these provided an opportunity to have some in the house but purchased at the best price I have pai...

Looking to buy Water Filter Cartridges?

Are you looking for the perfect water filter cartridges for your home? Look no further - OnBuy has what you need! Our selection of water filter cartridges will give you the peace of mind that your family is getting the cleanest, freshest water possible.

Our cartridges are designed for maximum efficiency and are made from high quality materials to ensure that your family is getting the best possible filtration. We have cartridges to fit a wide range of water filtration systems and sizes, so you can rest assured that you'll find the perfect replacement cartridge for your system.

Our cartridges are designed to be easy to install and replace, so you can get the best filtration with minimal effort. We also carry replacement cartridges for a wide range of water filter systems, so you can always find the perfect replacement.

We understand that the quality of your water is important to you and your family, so we've made sure that our water filter cartridges are designed to meet the highest standards. Our cartridges are designed to remove impurities, chemicals, and other contaminants from your water, so you can ensure that your family is drinking clean, healthy water.

At OnBuy, we're committed to providing you with the highest quality products at the best prices. We're confident that our selection of water filter cartridges will meet your needs and exceed your expectations. So, shop with confidence and get the water filter cartridges you need today!