Large Vinyl/Fiberglass Light Niche - 3/4 Inch Rear Hub - Stainless Steel filter-width_16 1/2 inches This is measured as a

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Large Vinyl/Fiberglass Light Niche - 3/4 Inch Rear Hub - Stainless Steel filter-width_16 1/2 inches This is measured as aThis is a Pentair 78232400 Large Standard 10 Hole Pattern Light Niche for Vinyl and Fiberglass Installation. It has a 3 4 inch rear hub and stainless steel housing. This niche includes sandwich gasket for vinyl liner pools. This Pentair light niche is for a Fiberglass Vinyl Liner swimming pool. Measurements are 12 1 2 inch diameter and a 8. 02 inch depth.