Empties a 55 gal. drum in about 2 minutes! Ryton housing with twin Ryton lobes. 316SS shafts and ball bearings. One-piece suction tube and outlet spout are 304SS. Viton oil seals, PTFE gaskets. Suitable for a wide variety of chemicals compatible with above materials. 53" PE discharge hose included. Not for liquids with suspended solids.