Pentair Housing Spacer | AquaLumin® III Pool & Spa Lights | 619617Z Bio-Dex Don't forget the partial grid:

Don't forget the partial grid: A complete re-grid for the SM/SMBW 2048 and 4048 requires 7 of this full grid (FG-1248) plus 1 partial grid (FG-1249)

There are four cartridges per Quad DE Filters (order 4

Features a Permanent Magnet Motor (PMM) for reduced mechanical noise and a Totally Enclosed Fan Cooled (TEFC) design that effectively minimizes sound emissions

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

Pentair Housing Spacer | AquaLumin® III Pool & Spa Lights | 619617Z Bio-Dex Don't forget the partial grid:The 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