Vacuum Balance Tanks feature full 1/2” thick PVC construction and are absolutely moisture-proof, rust-proof, and corrosion-proof. End caps feature solvent-weld and are domed for strength. Mounting kit and 1-1/2” drain are included. Side Inlet 1 X 3" Slip Fitting End Inlets 3 X 3" Slip Fitting TRUCK ship. Call For Rates