Filbur FC-9870 Pool 18" x 11" Rectangular DE Grid Filter airsupply and 153 heater applications where

and 153 heater applications where the supported user-adjustment control needs replacement

this Waterway wet end is a practical replacement when the full wet-side assembly with 2 inch MBT x 2 inch MBT connections needs restoration

Replacing the correct barrel helps preserve that more active hydrotherapy feel without forcing a larger assembly replacement than necessary

combustion support

Filbur FC-9870 Pool 18" x 11" Rectangular DE Grid Filter airsupply and 153 heater applications whereA rectangular DE grid filter helps create the working filtration surface inside a compatible diatomaceous earth filter system, and this Filbur FC 9870 grid is designed in an 18 inch by 11 inch format for matching pool applications. When a grid becomes torn, worn, or less effective, the filtration system can lose the dependable debris capture support it should provide. The 18 inch by 11 inch dimensions and FC 9870 reference give this part practical