Sigma is also the industry leader in outdoor weatherproof products from floodlight kits to innovative outlet covers that can be installed vertically or horizontally. All products in our weatherproof line are designed， tested and UL approved to meet or exceed all applicable NEC requirements for wet and damp locations.

• Brand Name: Sigma Engineered Solutions
• Sub Brand: ProConnex
• Shape: Round
• Material: Zinc-Plated Steel
• Product Type: Knockout Seal
• Application: Closure of Unused Box Outlets
• Diameter: 1.48 in.
• Height: 0.34 in.
• Color: Silver
• Packaging Type: Polybag
• UL Listed: No
• Inner Diameter: 1.41 in.
• Trade Size: 1 in.