20 Pcs Silicone Rubber Seal Gasket Dust Ring for Solar Water Heater 47/58mm Inner Diameter

Silicone rubber sealing dust ring for solar water heater. Pack of 20pcs. Inner diameter:47mm,58mm. Flexible silicone gasket for vacuum solar tube sealing.

✅ Material: Silicone Rubber
✅ Pack: 20 Pieces
✅ Inner Diameter: 47mm, 58mm
✅ Use: Solar water heater vacuum tube dust & seal