ANCHOR HATCHES ALUMINUM RECTANGLE SINGLE QUICK RELEASE 20" X 30" Offers a 1/4 turn, single action mechanism for easy access. Offers brass corrosive resistant dogs that are adjustable, allowing you to exert more pressure if needed, as well as adjustable seal pressure.

This hatch requires a wrench to open, item # HM-H-WRENCH-QR (sold separately).

Clear Opening: 17" x 27"
Cover: 19-3/4" x 29-3/4"
Deck Cut-Out: 20-1/4" x 30-1/4"
Over Deck Flange: 23-1/4" x 33-1/4"

Recommended fastener is #12 316 stainless steel tapping screws (.75" to 1.00" long depending on deck thickness)