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 FF150-S&P 150 CFM ceiling mounted ventilator. 120 VAC. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart FF1500-S&P 1500 CFM ceiling mounted ventilator. 120 VAC. 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 961L-S&P in-line adapter. 6″ round intake (FF100/150). Read more Add To Quote Request This product is already in quote request list View Your Quote Cart Related