Water Ways Top Load Filter Crown Lock Ring CSFILT1401 for Hot Tubs

Water Ways Top Load Filter Crown Lock Ring CSFILT1401 for Hot Tubs.

Diameter is 7-1/2”. This lock ring is used in waterway top load filter canisters. They are 50, 100 or 175 square feet canisters. Popular among Coast Spa, Cal Spa and some other hot tubs.