Dimensions: 10-3/4 in L x 11-5/8 in W x 3-1/4 in H
For use in 1, 2 and 3 hr rated floor-ceiling and roof-ceiling constructions|Galvanized steel frame|High temperature, non-asbestos, reinforced fiber thermal fabric|Stainless steel closure springs|165 deg F fusible link|Removable damper allows complete fan and damper serviceability without disturbing the surrounding ceiling material|Same grilles that come with standard fans and fan/lights can be used
NuTone Radiation Damper, For Use With: XN50, XN80, XN110, ZN80 and ZN110 Model, 10-3/4 in L x 11-5/8 in W x 3-1/4 in H