(12 Pack) Electrical Knockout Plugs 2" Screw-in Bar Electrical Hole Seal
Key features
- HEAVY-DUTY GALVANIZED STEEL – Built from durable galvanized steel with a protective zinc coating for excellent strength, corrosion resistance, and long-lasting performance. The embossed design adds rigidity while helping the knockout seal center securely over unused electrical box openings.
- SECURE SCREW & BAR DESIGN – The pre-assembled Type S screw and bar configuration provides a strong, dependable hold. Once tightened, the retaining bar firmly secures the knockout cover in place for a stable, vibration-resistant installation.
- HELPS SEAL UNUSED KNOCKOUT HOLES – Properly closes unused conduit and knockout openings to help prevent dust, dirt, moisture, and debris from entering electrical boxes, junction boxes, panels, and enclosures while protecting the wiring and connections inside.
- FAST & EASY INSTALLATION – No complicated installation process required. Simply insert the retaining bar through the knockout hole, position the seal over the opening, and tighten the center screw for a secure fit. Ideal for new installations, repairs, retrofits, and maintenance work.
- AIRMONT PRODUCTS QUALITY – Airmont Products delivers dependable electrical supplies designed for professional performance and everyday reliability. Our knockout seals are engineered with durable materials, practical installation features, and consistent construction for electricians, contractors, maintenance professionals, and homeowners.
Airmont Products Screw and Bar Type Knockout Seals provide a secure, professional solution for closing unused knockout holes and conduit openings in electrical boxes, junction boxes, panels, and metal enclosures. Available in a wide range of trade sizes from 1/2 inch through 4 inch, these heavy-duty knockout covers are suitable for residential, commercial, and industrial electrical installations, including new construction, repairs, retrofits, and maintenance applications. Constructed from durable galvanized steel, each knockout hole cover features a protective zinc coating that helps resist corrosion, rust, moisture, and everyday environmental exposure. The embossed metal design adds strength while helping the knockout seal center properly over the unused opening for a clean, secure installation. The pre-assembled screw and bar design makes installation quick and straightforward. Insert the retaining bar through the unused knockout opening, position the metal seal over the hole, and tighten the center screw until securely fastened. Once installed, the knockout cover helps create a tight barrier against dust, dirt, moisture, and debris while protecting the electrical wiring and com
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