Clog-resistant impeller handles semi-solids up to 2" diameter for use in high volume fluid transfer Built-in flapper/check valve permits self-priming to 20 feet Cast aluminum with Viton/silicon carbide mechanical seal and buna-n O-rings Steel roll frame (included), optional wheel kit (not included) 3" and 4" male NPT suction port, 3" and 4" male NPT discharge port
