613-S&P model 613 wall cap. Aluminum natural finish. Built in backdraft damper and birdscreen. For 12″ round duct. December 20, 2019 | No Comments 613-S&P model 613 wall cap. Aluminum natural finish. Built in backdraft damper and birdscreen. For 12″ round duct. Add To Quote Request This product is already in quote request list View Your Quote Cart SKU: AAIS-SP-613-S&P model 613 wall cap. Aluminum natural finish. Built in backdraft damper and birdscreen. For 12" round duct. Category: S&P FF Ceiling Ventilators Description Description S&P model 613 wall cap. Aluminum natural finish. Built in backdraft damper and birdscreen. For 12″ round duct. Related Related products 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 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 437-S&P model 437 high capacity roof cap up to 1200 CFM. Birdscreen, steel housing, black epoxy finish. 18-1/2″ X 27-1/4″. 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 Related