Pentair ST40/50 DE Grid [19-3/4" x 6-1/2"] [4 Required] (191322) bathparts This replacement is especially useful

This replacement is especially useful in refurbishment work where the goal is to improve the overall presentation of the spa without replacing major electronics

and this Jacuzzi Whirlpool Bath version is designed for J-Series applications with a curled-fingers style using the 6600-166 reference

Improves confidence in electrical connection quality

Improves fit accuracy and everyday control confidence

This replacement is especially useful when the original motor is overheating

Pentair ST40/50 DE Grid [19-3/4" x 6-1/2"] [4 Required] (191322) bathparts This replacement is especially usefulThe 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