1. ABS plastic withstands the corrosive effects of pool chemicals and outdoor sunlight, facilitating routine pool maintenance. 2. An ideal replacement for lost, broken, or stripped original locknuts. 3. For cleaning filter baskets, routine pump checks, and seasonal pool equipment maintenance for above-ground residential swimming pools. 4. Forms a watertight seal, preventing leaks and air ingress, thus avoiding cavitation and ensuring the sand filter pump operates with normal suction performance. 5. Used with the P07019 transparent filter cover to lock the pre-filter assembly onto the pump body.
