Home Boat Maintenance Manholes & Hatches Hatch Gasket for 15” x 23” Flush Multi-Bolt Manhole ICF Hatch Gasket for 15” x 23” Flush Multi-Bolt Manhole $23.19 Hatch Gasket for 15” x 23” Flush Multi-Bolt Manhole quantity Add to cart Product Details Product Details For 15″ x 23″ Flush Multi-Bolt Manhole. 15″ x 23″ hatch gasket (Buna-N).
