Pentair Housing Spacer | AquaLumin® III Pool & Spa Lights | 619617Z Bio-Dex Measures 3-inch length by 1-1/2-inch

Measures 3-inch length by 1-1/2-inch height by 1-1/2-inch width

this cartridge provides superior dirt-holding capacity and extended service life between cleanings — keeping your pool water cleaner

There are four cartridges per Quad DE Filters (order 4

and System:2 cartridge filter series

(Note: their brown plastic bottles help protect very light-sensitive reagents

Pentair Housing Spacer | AquaLumin® III Pool & Spa Lights | 619617Z Bio-Dex Measures 3-inch length by 1-1/2-inchThe Pentair 619617Z is the OEM replacement housing spacer for the AquaLumin III pool and spa light fixture. This structural component maintains correct positioning and alignment of the light assembly within its niche. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Pool lighting components operate in wet environments. Installation must comply with NEC Article 680 and be performed by a licensed electrician. The housing spacer provides the