Pentair 191479 O-Ring Replacement Pool/Spa Valve and Filter
- O-ring replacement
- Fits Pentair Star Polymeric pool and spa D.E. filter models ST40, ST50
- Also fits Pentair Star fiberglass pool and spa D.E. filters models ST40, ST50
- Compatible with Pentair top/side mount multiport valves
- Measures 1-1/8-inch length by 1/4-inch height by 1-1/8-inch width