Shanghai Hantech

We are the most professional manufacturer of filter cartridge.We focuses on developing,manufacturing the pleated filtration products. Our filter cartridges manufactured,flushed in an ISO Class 1000 cleanroom environment. 

Are easy to understand and to program. the solidly built timer is made with 3/8” wide plastic gears and offers a choice of 7 or 12 day clock or on-demand regeneration. the injector and its filtering screen, together with the backwash and the refill flow c 

Are fully adjustable 5 cycle valves that deliver controlled backwash, slow rinse and downflow bringing, rapid rinse, downflow service and timed brine refill. easy to program and options increase efficiency to save salt and water. Downflow regeneration is 

Are fully adjustable 5 cycle valves that deliver controlled backwash, slow rinse and downflow bringing, rapid rinse, downflow service and timed brine refill. Backwash capacity can handle up to 30” in diameter tanks. the Flotrol F40 has a solid valve body