The Microfilter K3 1 Micron Carbon Block Inline Water Filter is a high quality inline water filter that is a suitable replacement for refrigerators, under sink filter systems, water fountains, water coolers and more.
With a high quality 1 micron coconut carbon block core, the filter is NSF 42 certified for the reduction of chlorine, tastes and odours, leaving you to enjoy fresh tasting water on demand.
Manufactured by one of the leading water filtration manufactures Microfilter, who are responsible for manufacturing filters for leading brands such as Samsung, BOSCH and LG. Each filter meets stringent quality tests to ensure it meets high quality water purification standards.
- MPN
- MF-K3P
- Brand
- Microfilter
- Product range
- K3
- Application
- Water Cooler
- Fitting type
- Inline
- Push-fit size
- 1/4"
- Material
- Activated Carbon
- Operating temperature
- 4°c-38°c
- Operating pressure
- 2.1-5.5 bar (30-80 psi)
- Flow rate
- 0.5 lpm
- Filter life
- 6 months or 8,500 litres, whichever comes first
- Micron rating
- 1.0 micron
Certifications
NSF/ANSI 42Aesthetic EffectsCovers: Chlorine Taste & Odour
Follow the manufacturer’s installation guidance and check all connections before leaving the installation.
Order before our dispatch cut-off — 3pm Monday to Friday, or 12pm on Saturday — and your order is sent the same day; anything after that follows the next working day. We don’t dispatch on Sundays, and you’ll get a tracking link by email as soon as your order is on its way.
Choose your UK delivery option at checkout:
- Free Express Delivery — free on orders over £60 (2–3 working days).
- Standard Delivery — £3.99 (2–3 working days).
- Next Day Delivery — £6.99, arriving the next working day when you order before the cut-off.
We also ship internationally, with rates calculated at checkout.
Returns & refunds
Changed your mind? You have 30 days to return any unused filter in its original sealed packaging for a refund, or 90 days for exchanges. Start at our returns portal and either generate a prepaid Royal Mail label (£3.49, deducted from your refund) or use your own courier — exchanges are always free to return. We approve refunds within 24 hours of your return reaching us; your bank may then take 3–5 working days to show the funds.