Pentair ST40/50 DE Grid [19-3/4" x 6-1/2"] [4 Required] (191322) balboawater Strong pump output depends on

Strong pump output depends on the impeller being able to move water the way the system was designed to

this part helps restore a more complete and better-supported jet position

Improves service confidence and system usability

Useful when repairing drips

Pentair ST40/50 DE Grid [19-3/4" x 6-1/2"] [4 Required] (191322) balboawater Strong pump output depends onThe Pentair 191322 ST40 50 DE grid is designed for compatible ST40 and ST50 DE filter applications and measures approximately 19 3 4 inches by 6 1 2 inches. This grid is one of the required internal filter elements, and four are needed for the complete assembly. A replacement grid is commonly needed when the original is torn, weakened, or no longer worth reinstalling during service. Using the correct Pentair grid can help restore proper internal fit