Pentair ST40/50 DE Grid [19-3/4" x 6-1/2"] [4 Required] (191322) marquisspas The CLX220HPAK4 is a practical

The CLX220HPAK4 is a practical service part when a compatible Hayward chlorinator needs compression nuts to restore dependable connection support

cleaner hydraulic balance

Helps direct return water flow in compatible pool applications

Improves overall presentation of the spa interface

Constructed to handle continuous electrical and environmental stress

Pentair ST40/50 DE Grid [19-3/4" x 6-1/2"] [4 Required] (191322) marquisspas The CLX220HPAK4 is a practicalThe 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