983L-S&P in-line adapter. 8″ X 12″ duct intake (FF900/1500). December 20, 2019 | No Comments 983L-S&P in-line adapter. 8″ X 12″ duct intake (FF900/1500). Add To Quote Request This product is already in quote request list View Your Quote Cart SKU: AAIS-SP-983L-S&P in-line adapter. 8" X 12" duct intake (FF900/1500). Category: S&P FF Ceiling Ventilators Description Description S&P in-line adapter. 8″ X 12″ duct intake (FF900/1500). Related Related products 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 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 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 634-S&P model 634 roof cap. For 3 1/4 X 10″ or up to 8″ round duct, built in backdraft damper and birdscreen, baked enamel. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart Related