Filbur FC-9860 Pool 18" x 20-3/4" Rectangular DE Grid Filter NuWhirl What starts as slight fading

What starts as slight fading eventually turns into guesswork

It is one of those parts that can raise the quality of the whole job in a quiet but important way

Supports heavy-duty use

because the trap lid once again seats and secures the way it should

Filbur FC-9860 Pool 18" x 20-3/4" Rectangular DE Grid Filter NuWhirl What starts as slight fadingA rectangular DE grid filter helps provide the filtration surface needed inside a compatible diatomaceous earth filter assembly, and this Filbur FC 9860 grid is designed in an 18 inch by 20 3 4 inch format for matching pool applications. When a DE grid becomes damaged or worn, the filter can lose the dependable support it should provide for routine operation. The 18 inch by 20 3 4 inch dimensions and FC 9860 reference give this part practical value