Frequently Asked Questions: ExtremeLife

How Does it Work?

Our systems fit most standard faucets. Pull-out and handheld faucets are not compatible with our systems.

Try fitting the system right out of the box. If it does not fit try one of the 2 enclosed adapters.

What Does ZeroWater® Remove?

View Chart Here: Certifications

Troubleshooting Filter

The ExtremeLife filter cartridge should be flushed for 5 minutes before use.

This device was not designed to reach 0 TDS, it focuses on filtration of Lead, PFOA/PFOS, Chlorine & more, with an estimated filter life of 6 months/400 gallons.

Your filter life indicator will turn red when it is time to replace your filter cartridge.

Your filter cartridge will last 6 months / 400 gallons

1. When your filter life indicator begins to blink red, it is time to replace your ZRFM-001 filter.

2. Turn face plate counter clockwise until it is removed from the faucet mount system. Remove and dispose of the old filter.

3. Place new filter stem into the faceplate stem hold. Place new filter and face plate into the faucet mount system and turn clockwise until tight and reset the Rested filter life indicator.

*It is important to flush each new cartridge for 5 minutes to remove all carbon fines. The fines are not harmful but should be flushed out before using the filter.

After new batteries are installed or the filter is changed, push and hold the filter life reset button for approximately 2 seconds, until the green light flashes. The light will change to red at 180 days to remind you that it is now time to change the filter.

Dispose in your trash bin

Do not run hot water through the filter. Do not use with water above 100 degrees as this may alter the filter. Use cold water only.

No, it just counts down the time the filter has been installed and warns it might be time to change the filter.


Use damp cloth and mild soap for cleaning. Do not use harsh chemicals, detergents, abrasives, solvents, or cleaning fluids as they can damage the unit.

Carbon Fiber


This system has been tested according to NSF/ANSI 42 & 53 for specific performance claims a verified and substantiated by test data for the reduction of substances listed on the performance data sheet. The concentration of the indicated substances in water entering the system was reduced to a concentration less than or equal to the permissible limit for water leaving the system as specified in the NSF/ANSI 42 and 53.


Zero Technologies, LLC warrants your ExtremeLife (TM) Faucet Mount Filter (ZFM-400CR/WH) for two years from the date of purchase (ZRFM-001 filter cartridge and system batter are not covered under limited warranty) against defects in materials and workmanship when installed and used in compliance with the installation and operation instructions provided with the product and available at