APLOS Pumped/Non-Pumped Filter 4-5APLOS 5-Stage Reverse Osmosis Filter is a compact DIY solution designed to improve the quality of your drinking water right under the sink. It features a Permeable membrane with a Granualar Activated Carbon filter.This product is only a replacement cartridge filter for the APLOS filter /R.O. system (Pumped/Non-Pumped) and does not include the filter housing. It is recommended that the stage 4-5 Filters are replaced every 12-months.Stage 4:A permeable membrane, which will filter water molecules down to 0.0001 Micron (1 nm)Stage 5:A granular Activated Carbon filter (GAC filter). Technical Data:- Working pressure range (Pumped Version): 3 - 6 bar- Working pressure range (Non-Pumped Version): 2 - 4.5 bar- Water flow rate: 5.6 l/min @ 4 bar- Max. temperature: 38°C- Min. temperature: 4°cProduct Safety Notices:- Designed for use with cold water supply only.- Avoid using the system with water that is microbiologically unsafe or of unknown quality unless it has