Genuine Swimline Hydrotools replacement top lid O-ring seal for Swimline Model 87502 and 87503 automatic chlorine feeders
- Fits Swimline Hydrotools Model 87502 and Model 87503 automatic chlorine feeders
- Fits between chlorine feeder body and top lid for sealing against leaks
- Genuine Swimline Hydrotools replacement part
- Hydrotools part# 87508