Valterra A01-2002VP White Gravity Water Hatch with Door

Valterra's Universal Gravity Inlet Hatch is lockable with a 1-1/4" barb connection and 1/2" air vent. The universal size fits both 4-1/4" width x 4-3/4" height and 4" width x 3" height cutouts. Outside Dimensions: 6" width x 6-1/2" height.