Hello I am Paul Bulavin. Now we look for factory for production, release filter remove chlorine shower water filter multi-stage filter cartridge replacement with 8 stages of cleaning. Main basic requirements to a product 1) NOT THE TDS FILTER 2) DELETES HEAVY METALS - KDF 55 3) REDUCES CHLORINE - the minimum 90-95% reduction 4) Protect harmful chemicals and terrible aromas during a shower 5) ANY REDUCTION ON WATER FLOW 6) 10 000 + gallon 1