Swimquip Filter Grid Element Center Port - 18 x 16-1/2 Inches composition_Epoxy when all you need is

when all you need is the replacement lid

These are used on commercial swimming pools with overflow gutters

This is a replacement Pentair Air Bleed Assembly for Sta-Rite System:3 Modular SMD Series D

This is a PVC Reducing Tee Fitting with slip (socket) fitting connections that measures 3 x 3 x 2 Inch

The protective vinyl tubing can be easily replaced when worn

Swimquip Filter Grid Element Center Port - 18 x 16-1/2 Inches composition_Epoxy when all you need isThis is a Swimquip compatible filter element grid with center port measuring 18 x 16 1 2 inches. The thickness of the grid is . 875 inches. Universal Filter Grids for Diatomaceous Earth filters feature a reinforced center core for added durability and chemical resistance, and sonic welded seams to prevent fraying. Their proprietary D. E. grid cloth outlasts all others. They have superior strength fabric and heavy nylon stiches. TIP: Place filter