... 3)Manufacturer.Selling 150000PCS/Month. 1)About T33 Inline Quick Fitting Filter Cartridge:it uses 100% pure PP material to make ... of RO system. We also provide Ball Valve, Quick Fitting, Connector, Filter Faucet,Boost Pump, Storage Tank, FRP Vessel, FRP ... service.3)Picture of T33 Inline Quick Fitting Filter Cartridge: 4)The other Inline/Post Filter Cartridges: T33 Inline Quick Fitting Filter Cartridge