Rubber Stopper For 17.8mm Hole Seal And Cable Gland Enclosures 18x22mm Black 5 Pack Beefy Heavy Duty Durable Elastic Insertion Plug For Electrical Boxes Sealing And Insulation Weatherproof

Heavy-Duty Rubber Stopper for 17.8mm Hole Seals, 5 Pack
✔️ fits 17.8mm holes, top 22mm, length 18mm, 5 pcs black

Heyiarbeit Rubber Stopper SPR-178 is a sealing plug for 17.8mm holes in electrical boxes and cable glands. It provides waterproofing, dust protection, and insulation for weatherproof installations.

✅ Size: Hole dia 17.8mm (0.70"), top dia 22mm (0.87"), length 18mm (0.71")
✅ Material: Rubber with good elasticity; resistant to high temperatures and chemicals
✅ Features: easy installation; strong sealing; weatherproof and dustproof
✅ Application: seals holes for cable glands in electrical boxes
✅ Pack: 5 pcs rubber stoppers

💡 What is a rubber stopper used for in electrical enclosures?

It's a handy sealing option for keeping water, dust, and chemicals out of boxes and enclosures.

- seals openings around cables - guards against moisture and dust ingress - compatible with standard 17.8mm hole applications - helps maintain insulation and weatherproofing ✝️