Spin on clear plastic inlet strainer recommended for all pumps onboard. Simple to install and inspect and requires no tools for maintenace and cleaning. Features screw holes for mounting onto a bulkhead.Available in two versions with stainless steel filter and 3/8" (10.5mm), 1/2" (13mm) and 3/4"(19mm) barbed hose connectors.40 gauge (recommended for fresh water) 20 gauge (recommended for bilge and shower water)Quad port (clip-in) version also available for direct connection to Flojet pumps.