RD2-S&P UL rated, 4 hour ceiling radiation fire dampers. (FF400 thru FF700) December 20, 2019 | No Comments RD2-S&P UL rated, 4 hour ceiling radiation fire dampers. (FF400 thru FF700) Add To Quote Request This product is already in quote request list View Your Quote Cart SKU: AAIS-SP-RD2-S&P UL rated, 4 hour ceiling radiation fire dampers. (FF400 thru FF700) Category: S&P FF Ceiling Ventilators Description Description S&P UL rated, 4 hour ceiling radiation fire dampers. (FF400 thru FF700) Related Related products 441-S&P model 441 wall cap. Steel with aluminum louvers. For 10″ round duct. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart 641-S&P model 641 wall cap. Aluminum natural finish. Built in backdraft damper and birdscreen. For 6″ round duct. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart 636-S&P model 636 sloped roof cap. For 3″ or 4″ round duct, backdraft damper and birdscreen. Steel, black epoxy. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart 982L-S&P in-line adapter. 4.5X18.5 duct intake (FF400/500). Read more Add To Quote Request This product is already in quote request list View Your Quote Cart Related