Bellows-type diaphragm pump will pass solids up to 1/2" without clogging and won't burn out if run dry. Self-priming to 10' and handles 300gph. Type: Diaphragm Draw: 6A gpm: 4.5 Macerates: No Self-Prime: 10' Material: Polypropylene, stainless Port Sizes: 1-1/2" Dimensions: 7-3/4"H x 6-3/4"W x 13-3/4"L Warranty: One year