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 FF50-S&P 50 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 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 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 Related