John Guest gasket 5/8"
✓ Rubber sealing ring 5/8"
✓ Used in John Guest couplers
✓ Sealing ring for 5/8" John Guest couplers
John Guest Sealing Ring 5/8"
Rubber sealing ring 5/8" by John Guest. This sealing ring fits in all 5/8" John Guest couplers. A new 5/8" John Guest coupler will always have this ring included. If you want a few spare ones, you need these sealing rings.