K-Matic Automatic Flush Valve For Hydra Range Upgrade Your Filtration System with K-Matic Tired of manual filter cleaning? Meet K-Maticthe timed valve that automates the cleaning process for your self-cleaning Hydra filter.K-Matic takes the hassle out of maintenance by regularly cleaning your filter cartridge on a programmed schedule. Simply set the timing and duration of each drain cycle, and let K-Matic do the rest.Your new automatic drain valve with timer, designed for Hydra series: a clean cartridge after each automatic wash. BENEFITS User Friendly Dust & Water Protection Battery Powered Safety Stop Manual Wash Function Drain Connection 1/2" Water and dust resistant (IP54) TECHNICAL FEATURES Rain-water filter for water recycling and treatment, with self-cleaning prefilterPre-filtration cartridges: RAHBrass or plastic thread BSP or NPTHead: reinforced polypropyleneO-Rings: EDPMBreather-valve: body stainless-steel, o-ring EPDMBowl: PETDrain valve for manual