Pentair WC9-3 Black O-Ring for Sta-Rite Pool or Spa Cartridge Filter
This O-ring is designed to use with Sta-Rite Posi-Flo II pool and spa cartridge filters model PTM50, PTM70, PTM100 and compatible with PTM135 Series. Also Fits Sta-Rite pool and spa filters separation tank assembly.
Features:- O-ring replacement
- Fits Sta-Rite Posi-Flo II pool and spa cartridge filters model PTM50, PTM70, PTM100 and compatible with PTM135 Series
- Also fits Sta-Rite pool and spa filters separation tank assembly
- Available in black color