Filter housing uses an easy-to-replace, industry-standard cartridge (sold seperately) that removes sediment for wine clarification. Housings and cartridges are made of food grade materials. All cartridge housings have a pressure-release button for safe cartridge replacement. Max. pressure is 125 psi and max. temp. is 125° F. Comes ready to connect to 3/8" tubing, if used with 1/2" siphon tubing, two 1/2" adaptive fittings below are required.