Pentair 274494 Adapter O-Ring S190T and also compatible with

S190T and also compatible with Hayward Pro Series sand filter models S210S

5" Spa Hydroair Slimline Air Control - White

Measures 5-1/2-inch length by 1/4-inch height by 5-1/2-inch width

This standard butterfly gasket is designed to use with Hayward automatic skimmer models SP1091LX

LX/LT Low Nox pool and spa heater models 250

Pentair 274494 Adapter O-Ring S190T and also compatible withPentair 274494 Adapter O Ring. This adapter O Ring is designed to use with Pentair FNS, Nautilus, Nautilus Plus D. E. and TR100C, TR140C, Triton II, Triton C, Triton C 3 sand pool and spa filters and also compatible with Pentair Minimax NT STD, NT LN and NT TSI pool spa heaters. Also fits Pentair HiFlow, FullFlow and Push Pull pool spa valves.