Rotary Vane Pumps with Manual Nozzle, 20 gpm, Rotary Vane Amp ORS NASCO [Nom] 2 in Grit 24 [Nom] 2 in Grit 24 Hardness Grade R Hazmat NO Jan San Catalog NO Prop 65 NO Quantity 10 per pack Quarterly Flier NO Special Order NO Speed [Max] 18 and valve packing nuts Extra wide opening offset model is ideal for securing drain nuts on sinks and tubs Their rugged motors are explosion proof and rain proof to ensure a long life of dependability Heavy duty cast iron construction Carbon vanes and ceramic carbon seals reduce wear and repair expense Integral check valve with pressure relief on outlet side reduces pressure drop and improves vertical lift Self priming