The Valterra Access Hatch provides access to plumbing, electrical, cargo areas, and hose compartments. Specifications•Overall Size: (IN)4 Inch•Finish: Matte•Color: White•Material: ABS Plastic•Lockable: No•Drilling: RequiredNo Hole Pattern Matches Most Original Hatch Rings Provides Access To Plumbing, Electrical, Cargo Areas & Hose Compartments 4 Inch Inner Diameter | Valterra Access Hatch, 4", White | ABS Plastic