961L-S&P in-line adapter. 6″ round intake (FF100/150). December 20, 2019 | No Comments 961L-S&P in-line adapter. 6″ round intake (FF100/150). Add To Quote Request This product is already in quote request list View Your Quote Cart SKU: AAIS-SP-961L-S&P in-line adapter. 6" round intake (FF100/150). Category: S&P FF Ceiling Ventilators Description Description S&P in-line adapter. 6″ round intake (FF100/150). Related Related products 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 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 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 FF700-S&P 700 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