Introducing the Signature SIG-CRD, a game-changer in ceiling radiation dampers. Designed with the utmost precision, this Delta Breez product from the Signature Series is here to revolutionize your space. Limit the transmission of radiant heat through any air inlet or outlet opening in your ceiling membrane with ease. Engineered for excellence, this damper boasts an impressive fire resistance rating of up to 3 hours in both floor/ceiling and roof/ceiling assemblies. Don't compromise on safety or style when it comes to your space. Upgrade to the Signature SIG-CRD today and experience the peace of mind that comes with superior quality and craftsmanship.