Pentair Sta-Rite U9-369 Tank Flange O-Ring for Pool and Spa Sand Filters Free shipping, arrives in 3+ days Homeland Goods PLF150A Pool Filter Replacement for Pentair CC150, CCRP150, PAP150, Unicel C-9415, R173216, Filbur FC-0687, 160317, 160355, 160352, Predator 150, 150 sq. ...