641-S&P model 641 wall cap. Aluminum natural finish. Built in backdraft damper and birdscreen. For 6″ round duct. December 20, 2019 | No Comments 641-S&P model 641 wall cap. Aluminum natural finish. Built in backdraft damper and birdscreen. For 6″ round duct. Add To Quote Request This product is already in quote request list View Your Quote Cart SKU: AAIS-SP-641-S&P model 641 wall cap. Aluminum natural finish. Built in backdraft damper and birdscreen. For 6" round duct. Category: S&P FFC Inline/Cabinet Ventilators Description Description S&P model 641 wall cap. Aluminum natural finish. Built in backdraft damper and birdscreen. For 6″ round duct. Related Related products FFC300-S&P 300 CFM inline cabinet fan. 120 VAC. 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 FFC200-S&P 200 CFM inline cabinet fan. 120 VAC. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart FFC150-S&P 150 CFM inline cabinet fan. 120 VAC. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart Related