Maintain Pure Water: Timely Filter Replacements Are Essential
Stage 1: Advanced 2-in-1 composite filter
Effectively traps fine debris, reducing particles like sand, silt, rust, and other insoluble impurities from your water. Improves water quality and extends the lifespan of the RO membrane.

Quick Change & Tool Free
The ASR311 can be effortlessly replaced with just a single twist after turning off the power. No need for a plumber and no tools are required.
This ASR311 composite filter will need replacing around every 6 months.
Please note that the recommended replacement interval may vary significantly depending on the quality of your feed water and your daily water consumption.