The Screw & Bar Knockout Seal 2-1/2 IN Plenum from Southwire is engineered for optimal sealing in plenum-rated applications. This knockout seal features a robust design that ensures a tight fit in 2-1/2 inch knockout openings, effectively preventing air leakage and maintaining system efficiency. Constructed from high-quality materials, it is compliant with industry standards, making it suitable for various HVAC and electrical installations. Its easy-to-install design allows for quick application, making it a reliable choice for contractors and electricians.
