This is a Pentair Gray Skimmer Lid replacement. This round cover is 9-7/8 inches in diameter. It can be used with various Pentair skimmers such as the SwimQuip, Swimrite, Jacuzzi (New Style), and some Hayward Skimmers.
Pentair’s skimmer covers are engineered and manufactured to the highest standards of precision and quality to minimize installation time and maximize satisfaction.