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 FF100-S&P 100 CFM ceiling mounted ventilator. 120 VAC. 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 642-S&P model 642 wall cap. Aluminum natural finish, built in backdraft damper. For 3″ or 4″ round duct. 4″ to 3″ transition included. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart 983L-S&P in-line adapter. 8″ X 12″ duct intake (FF900/1500). Read more Add To Quote Request This product is already in quote request list View Your Quote Cart Related