Patterson Dry Sump Tanks ensure maximum flow with low foam. V-clamps and O-rings make cleaning a simple task; one that can be performed over and over without causing damage to the tank. Stainless steel brackets are fitted with rubber straps for added protection. Tanks are complete with fittings.Pit Stop USA offers Patterson Enterprises 4 Gallon Dry Sump Tank w/ -16 AN Fittings TP-4 at low everyday prices. Be sure to check out all of our products from Patterson Enterprises including Patterson Enterprises Oil Tanks and Patterson Enterprises Oil Tank. Height: appx. 18" Diameter: appx. 9"