Filbur FC-9860 Pool 18" x 20-3/4" Rectangular DE Grid Filter multiplemfg An igniter is useful because

An igniter is useful because it provides the spark needed to begin burner operation

Top and side mount valve service depends on using the correct spoke count and overall diameter

The 25563-240-000 is a practical service part when a compatible pool cleaner needs hose swivels to restore dependable rotational support

Useful for rebuild and replacement service work

Filbur FC-9860 Pool 18" x 20-3/4" Rectangular DE Grid Filter multiplemfg An igniter is useful becauseA 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