RD1-S&P UL rated, 4 hour ceiling radiation fire dampers. (FF100 thru FF300) December 20, 2019 | No Comments RD1-S&P UL rated, 4 hour ceiling radiation fire dampers. (FF100 thru FF300) Add To Quote Request This product is already in quote request list View Your Quote Cart SKU: AAIS-SP-RD1-S&P UL rated, 4 hour ceiling radiation fire dampers. (FF100 thru FF300) Category: S&P FF Ceiling Ventilators Description Description S&P UL rated, 4 hour ceiling radiation fire dampers. (FF100 thru FF300) Related Related products FF500-S&P 500 CFM ceiling mounted ventilator. 120 VAC. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart FF250-S&P 250 CFM ceiling mounted ventilator. 120 VAC. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart FF300-S&P 300 CFM ceiling mounted ventilator. 120 VAC. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart FF900-S&P 900 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