Home Boat Maintenance Manholes & Hatches 18” x 24” Raised Multi-Bolt Manhole (Painted Steel) ICF 18” x 24” Raised Multi-Bolt Manhole (Painted Steel) $245.69 18” x 24” Raised Multi-Bolt Manhole (Painted Steel) quantity Add to cart Product Details Product Details 18″ X 24″. Painted Steel. Manhole without Bolts. A: 18″. B: 24″. C: 23″. D: 29-3/4″. Coaming Height: 2-1/2″.
