Filbur FC-9870 Pool 18" x 11" Rectangular DE Grid Filter airsupply A properly selected replacement helps

A properly selected replacement helps preserve the intended fit and support of the assembly instead of forcing the repair to rely on a near-fit substitute

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

Fits compatible 100 square foot front access applications

Using the correct model-specific solenoid helps preserve the intended sequence control of the equipment instead of introducing an uncertain substitute

combustion support

Filbur FC-9870 Pool 18" x 11" Rectangular DE Grid Filter airsupply A properly selected replacement helpsA 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