Home Boat Maintenance Manholes & Hatches 18” x 24” Semi-Flush Multi-Bolt Manhole – 113 lbs. (Painted Steel) ICF 18” x 24” Semi-Flush Multi-Bolt Manhole – 113 lbs. (Painted Steel) $364.79 18” x 24” Semi-Flush Multi-Bolt Manhole – 113 lbs. (Painted Steel) quantity Add to cart Product Details Product Details 18″ X 24″. Painted Steel. Multi-Bolt Manhole (113 lbs.). A: 18″. B: 24″. C: 21-1/2″. D: 27-1/2″. E: 24″. F: 30″.
