Eco Filters System 40 Starter Kit - 3-Year, 40,000L Under-Sink Water Filter
- 3 years / 40,000 litres per filter. No yearly cartridge changes.
- Reduces chlorine, lead, pesticides and unwanted odours for better tasting water.
- Push-fit DIY install in minutes. No plumber needed.
- Designed and built in the UK. Cuts out bottled plastic.
Order today, dispatched within 1-2 working days. Fast UK delivery. Not the right fit? Return it within 30 days.
Product Description
The System 40 gives you fresh, filtered drinking water straight from a dedicated tap, without constantly replacing jug filters or buying bottled water.
One filter lasts up to 3 years or 40,000 litres, while premium silver-impregnated carbon filtration reduces chlorine, unwanted tastes and odours, lead and a range of other contaminants found in mains water.
Designed and built in the UK, the System 40 uses simple push-fit connections and comes with everything required for DIY installation, including a dedicated drinking-water tap.
Choose the standard System 40 for most UK homes, or select the Fluoride Reduction Media option if you also want to reduce fluoride.
The System 40 filters your drinking water while retaining naturally occurring minerals.
When the three years are up, a replacement BT1 filter is £195 for another 40,000 litres. Against bottled water for a family of four, that saves over £9,500 across three years.
Looking for the replacement filter? Get the BT1 (System 40 replacement) here.
About
Why Choose the ECO System 40 Water Filter?
Looking for a high-performance water filter that’s better for your health, your wallet, and the planet? The ECO System 40 is the only genuine three-year under-sink water filter, offering unmatched purity, convenience, and sustainability. Manufactured and hand-built with care in the UK, this filter is designed for the modern home -eliminating plastic waste, reducing the carbon footprint, and delivering superior-quality filtered water.
Long-Lasting Performance
Enjoy three years(40,000 litres) of purified water before needing a replacement. Unlike other filters that require changing every few months, this saves time, hassle, and waste.
Lower Carbon Footprint
No unnecessary air, sea, or land transport. Designed and built in the UK for the UK market.
Huge Savings
Ditch bottled water and save over£9,500 in three years.
Instant Filtered Water
No jugs, no waiting, no fridge space required. Get fresh, clean water straight from the tap.
Simple DIY Installation
No plumbing skills required. Install it yourself in minutes with our push-fit connectors.
Superior Filtration Technology
Advanced multi-stage filtration removes/reduces chlorine, lead, pesticides, hormones, antibiotics, and more—giving you cleaner, healthier water.
How to fit your System 40 water filter
Follow these six simple steps to connect your System 40 directly to your existing kitchen cold water tap.
1
Turn off the cold water
Turn off the cold water at the mains outlet valve under the sink. Open the cold water tap to release any remaining pressure in the pipework.
2
Disconnect the existing tap hose
Unscrew the existing flexible hose connected to the cold water supply beneath your sink.
3
Connect the new inlet hose
Screw the new System 40 inlet hose securely onto the cold water mains outlet.
4
Connect the inlet hose to the filter
Push the hose from the cold water supply firmly into the inlet connection at the bottom of the System 40.
5
Connect the tap hose to the filter
Push the hose from your kitchen tap firmly into the outlet connection at the top of the System 40.
6
Turn the water on and flush
Turn the cold water supply back on, check the connections for leaks, then open the tap and flush the filter for 15 minutes before use.
Always turn off the cold water supply before installation. Check all connections for leaks when turning the water back on. If you are unsure at any stage, we recommend using a qualified plumber.
Further Information
Specifications
| Filter Life | Up to 3 years or 40,000 litres, whichever comes first |
|---|---|
| Reduces/Removes | Chlorine; chlorine taste and odour; sediment and larger particles down to 10 micron; lead; pesticides; herbicides; trihalomethanes (THMs); PFOS and selected PFAS compounds; volatile organic compounds (VOCs); organic contaminants affecting taste and water quality; selected pharmaceutical and hormone residues |
| Dimensions | 360 mm × 120 mm |
| Filtration Media | Standard System 40: silver-impregnated coconut shell activated carbon. System 40 Fluoride Reduction: activated carbon filtration with additional fluoride reduction media |
| Pre-Filtration | Vion F 10-micron screen with cyclone separator |
| Connection Size | Outlet hose: ½" female connection to ⅜" push-fit. Inlet hose: ¾" female connection to ⅜" push-fit |
| Installation | Under-sink installation using push-fit connections |
| Filter Replacement | BT1 replacement cartridge |
| Warranty | 3 years on filter media; 12 months on filter body |
| Installation Kit Includes |
System 40 filter dedicated drinking-water tap connection hoses and tubing self-piercing mains connection valve push-fit fittings |
| Filter Life | Up to 3 years or 40,000 litres, whichever comes first |
|---|---|
| Reduces/Removes | Chlorine; chlorine taste and odour; sediment and larger particles down to 10 micron; lead; pesticides; herbicides; trihalomethanes (THMs); PFOS and selected PFAS compounds; volatile organic compounds (VOCs); organic contaminants affecting taste and water quality; selected pharmaceutical and hormone residues |
| Dimensions | 360 mm × 120 mm |
| Filtration Media | Standard System 40: silver-impregnated coconut shell activated carbon. System 40 Fluoride Reduction: activated carbon filtration with additional fluoride reduction media |
| Pre-Filtration | Vion F 10-micron screen with cyclone separator |
| Connection Size | Outlet hose: ½" female connection to ⅜" push-fit. Inlet hose: ¾" female connection to ⅜" push-fit |
| Installation | Under-sink installation using push-fit connections |
| Filter Replacement | BT1 replacement cartridge |
| Warranty | 3 years on filter media; 12 months on filter body |
| Installation Kit Includes |
System 40 filter dedicated drinking-water tap connection hoses and tubing self-piercing mains connection valve push-fit fittings |
Common questions before you buy
Everything people usually ask about fitting and filtering. Still unsure? Call 0116 276 3334.
What does the System 40 under-sink water filter reduce?
The System 40 removes chlorine, chlorine taste and odour, lead, sediment, pesticides, herbicides, THMs, PFOS and selected PFAS, VOCs and selected pharmaceutical and hormone residues.
Does the System 40 water filter reduce fluoride?
Yes, if you select the System 40 Fluoride Reduction Media option. The standard filter is designed for general mains water filtration. The fluoride model adds specialist fluoride reduction media.
How long does the System 40 under-sink water filter last?
One System 40 filter lasts up to 3 years or 40,000 litres, whichever comes first. When it is due for replacement, simply change it for a BT1 replacement cartridge.
Does the System 40 water filter retain minerals in tap water?
Yes. The System 40 filters unwanted contaminants while allowing naturally occurring dissolved minerals to remain in your drinking water.
Can I install the System 40 water filter myself?
Yes. The System 40 is designed for straightforward DIY under-sink installation using push-fit connections, with the required fittings supplied and a step-by-step fitting guide available.
Will the System 40 fit under my kitchen sink?
The System 40 measures just 360mm high × 120mm wide and fits easily beneath a kitchen sink on the cold mains supply.
Is the System 40 better than a water filter jug?
For regular use the System 40 avoids constantly filling a jug or replacing short-life cartridges. You get filtered water straight from the tap with up to 40,000 litres or 3 years from one filter.