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๐ง Filter Freshness, Effortlessly Delivered
The Water Gem Under Sink Inline Filter Cartridge offers a universal 3/8" male stem fit with activated carbon filtration that reduces chlorine, sediment, and scale. WRAS certified for safety and quality, it provides 6 months of easy-to-install, eco-friendly filtered water directly from your tap, protecting your appliances and reducing plastic waste.






| Brand | Water Gem |
| Model Number | CMAIBJCK003843 |
| Product Dimensions | 32.21 x 5.99 x 5.79 cm; 340.19 g |
| Material | Activated carbon |
| Item Weight | 340 g |
E**N
Excellent, Bristan Empura Compatible
Arrived very quickly, simply but well packaged in a heavy guage polythene sleeve and outer Amazon cardboard 'envelope'. No fitting instructions, so - as this was my first filter change for my newish tap - I was a tad alarmed. A quick Google search and Bristan's website (because my tap is the Bristan AR SNKPURE C Artisan Kitchen Sink Tap with 3in1 Operation) provided the instructions I needed to do the job. Even after isolating the water supply, the filter and pipes do retain quite a lot of water! A few towels and a large stew pot helped. Replacing this cartridge will be easier next time, now I know what to do and how to do it. A word of caution about the push fit pipes to filter fittings: push the little ring that is where the fitting joins the filter, towards the pipe. This releases the pipe with just a gentle tug. Otherwise you'll be tugging until you're blue in the face. You probably already know this, but I didn't and I spent quite a while on YouTube... The Bristan instructions that I've mentioned, don't show this as they assume a certain level of knowledge that I just didn't have. In summary: easy to fit, remember the push fit trick, have towels and large container handy, flush through with 20 ltrs before use. Job done. I hope this helps
L**N
Great
This is greatIve had several and always good , easy to install
A**R
Arrived on time easy to install and good value for money
Arrived promptly easy to install and good value for money
J**Y
Replacement for Caple Purity
This was used to replace a Caple Purity tap filter. I was a bit concerned that it wouldnโt fit as couldnโt see any other reviews mentioning they had used it with the Purity. However, it was a perfect fit and my husband changed it easily. The difference in the water taste was obvious straightaway. At a third of the price of the Caple version, Iโm very pleased that I found this and will be buying again.
A**.
Fine
I purchased an under sink filter system from B & Q and then guess what....yes, they stopped selling the cartridges! Having spent a long time looking for an alternative I stumbled across this 'Water Gem'. So for any of you that find yourselves in the same position - I can confirm that this is an excellent replacement for the 'Opella Aqua Shield'. It was delivered before time and well packed. Easy to fit and performs well.
H**O
Good
Good so far thanks
A**R
Four Stars
Very pleased with the water filter
R**.
Good unit good price
Nice and easy to install on my kitchen sink, water tastes better (still have a Brita kettle though) must remember to replace it more regularly!
Trustpilot
1 week ago
5 days ago