Seachoice Polypropylene Cover Plate Arctic White OD: 5-5/8" UV stabilized Acetone resistant polypropylene Requires #8 fasteners OD 5-5/8" For Hole size up to 4" Color Arctic White Seachoice Polypropylene Cover Plate Arctic White OD: 5-5/8" UV stabilized Acetone resistant polypropylene Requires #8 fasteners OD5-5/8" ForHole size up to 4" ColorArctic White