Bomar Commercial Grade Cast Aluminum Hatch 20" Round. A 4-Dog Flush Mount watertight hatch is made of Almag-35 Aluminum and has an outside opening featuring a stainless steel t-handle. This hatch is not hinged.
Hatch Opening: 20" (508mm)
Outside Deck Flange: 26 1/2" (675mm)
Cutout: 23" (585mm)
Extends below deck: 7 1/4" (185mm)
Weight: 32 pounds.
This hatch does not open from the inside. An optional inside handle is available!