Hatch:
• Deck Flange Overall: 18 3/16" x 18 3/16"
• Cutout (the opening in the deck): 16 1/2" x 16 1/2"
• Hatch Opening: 15 7/16" x 15 7/16"

Lens:
• Width across top and bottom: 16-3/8"
• Fore and aft: 16-3/8"
• Thickness: 1/4"
• Handle holes center to center: 12-3/8"

1) We highly recommend replacing the gasket (see below) when replacing the lens. Both components are secured into the frame at the same time with the same sealant. Replacing the lens and leaving a 30 or 40 year old gasket in place makes no sense.

2) This item does not conform to the shipping table in the Shopping Cart. Additional shipping must be calculated. When you place your order we always call with a shipping quote before billing your card. For a quote in advance, just call 800/959-7245. Bomar P2000-82-1070