Aquasana AQ-4000-PRE Drinking Pre-Filter for Countertop Filter System Service:With Installation WaterChef’s Intelligent Monitor measures actual

WaterChef’s Intelligent Monitor measures actual usage

copper and more

It's also certified to reduce mercury

The design of the unit creates a 360° rotating air stream that efficiently cleans the air inside a room up to 54m2 (580sqft) in less than 18 minutes

The dual function pre-filter (Stage 1 & 2) will last six months

Aquasana AQ-4000-PRE Drinking Pre-Filter for Countertop Filter System Service:With Installation WaterChef’s Intelligent Monitor measures actualDescription Overview Pure Performance. Claryum Technology The sediment pre filter is used to prevent dirt and sediment particles from entering and clogging the main filter unit. Replace the pre filter as needed, particularly once the pre filter is noticeably saturated with sediment. Service Now offering service in Hong Kong Island, Kowloon & New Territories to help you install your replacement cartridge. Please select "With Installation" before adding