RD3-S&P UL rated, 4 hour ceiling radiation fire dampers. (FF900/FF1500) December 20, 2019 | No Comments RD3-S&P UL rated, 4 hour ceiling radiation fire dampers. (FF900/FF1500) Add To Quote Request This product is already in quote request list View Your Quote Cart SKU: AAIS-SP-RD3-S&P UL rated, 4 hour ceiling radiation fire dampers. (FF900/FF1500) Category: S&P FF Ceiling Ventilators Description Description S&P UL rated, 4 hour ceiling radiation fire dampers. (FF900/FF1500) Related Related products 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 FF200-S&P 200 CFM ceiling mounted ventilator. 120 VAC. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart FF400-S&P 400 CFM ceiling mounted ventilator. 120 VAC. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart FF50-S&P 50 CFM ceiling mounted ventilator. 120 VAC. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart Related