SMA3 6AM1 SludgeMaster Pneumatic powered submersible pump. The SludgeMaster submersible, air-powered trash pump handles mud, leaves, twigs, sand, sludge, trash-laden water and soft solids to 1.5" (3.8cm). High capacity - low head. It weighs only 59 pounds (26kg), and can fit through an opening as small as 14" (35cm). Sturdy construction for rough handling and long life. Optional rock screen available.Pipe Size: 3" / 80mm Displacement Per Stroke: - gal / - ltr Max. Flow per Minute: 300 gal / 1140 ltr Max. Solids Handling: 1.5" / 38mm Max. Discharge Pressure: - PSI / - BAR80 CFM max. air consumptionRequires 1/2in. dia. air hoseFits into a 14in. openingContinuous automatic lubricating oilerShip Weight59.0 lbsHP2 1/2Flow (GPH)18,000Max. Total Head (ft.)55Max.PS I80Suction TypeSteel strainerDischarge Port (in.)3 inchSelf-PrimingYesPump HousingAluminumVoluteAluminumImpeller Shaft416 SSTSealsFace-type mechanicalSolid Handling (in.)1 1/2Dimensions L x W x H (in.)23 1/2 x 13 x 13