ROYER WATER WELL CAP 6" ALUMINUM VENTED WATERTIGHT FITS 6-5/8" OD CASING BRAND NEW 6" (6 5/8") aluminum WATER Well Cap For 6" (6 5/8") PVC or Steel Well Casings Durable aluminum construction 1" FPT Conduit Port Gasket, and SS bolts and screws INCLUDED