423-S&P galvanized steel round transition. 4.5 X 18.5 to 10″ round. December 20, 2019 | No Comments 423-S&P galvanized steel round transition. 4.5 X 18.5 to 10″ round. Add To Quote Request This product is already in quote request list View Your Quote Cart SKU: AAIS-SP-423-S&P galvanized steel round transition. 4.5 X 18.5 to 10" round. Category: S&P FFC Inline/Cabinet Ventilators Description Description S&P galvanized steel round transition. 4.5 X 18.5 to 10″ round. Related Related products FFC2000-S&P 2000 CFM inline cabinet fan. 120 VAC. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart 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 FFC250-S&P 250 CFM inline cabinet fan. 120 VAC. Read more Add To Quote Request This product is already in quote request list View Your Quote Cart FFC900-S&P 900 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