Seaworld brand.
Deluxe series.
Screw lid covers mounting screws for an improved appearance.
Has an o-ring for a water tight seal.
Polypropylene material allows cleanup with acetone.
Lid diameter 219mm (8.5/8").
Opening dia. 153mm (6").
Cut a 165mm (6.1/2") dia. mounting hole.
6 countersunk mounting holes (4mm dia.) centres on 184mm (7.1/4") dia.

Suitable where regular inspection or access is required on water tanks, kayaks, boat motor wells, wireways, or anywhere you can think of, marine or otherwise.