636-S&P model 636 sloped roof cap. For 3″ or 4″ round duct, backdraft damper and birdscreen. Steel, black epoxy. December 20, 2019 | No Comments 636-S&P model 636 sloped roof cap. For 3″ or 4″ round duct, backdraft damper and birdscreen. Steel, black epoxy. Add To Quote Request This product is already in quote request list View Your Quote Cart SKU: AAIS-SP-636-S&P model 636 sloped roof cap. For 3" or 4" round duct, backdraft damper and birdscreen. Steel, black epoxy. Category: S&P FF Ceiling Ventilators Description Description S&P model 636 sloped roof cap. For 3″ or 4″ round duct, backdraft damper and birdscreen. Steel, black epoxy. Related Related products 643-S&P model 643 wall cap. Aluminum natural finish, built in backdraft damper. For 8″ round duct. 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 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 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