Home Dealnews iPower 4" Inline Duct Fan w/ Variable Speed Controller for $50 +... Dealnews iPower 4" Inline Duct Fan w/ Variable Speed Controller for $50 + free shipping By ARCOM - 14 December 2021 47 0 SHARE Facebook Twitter Go to the deal page: iPower 4" Inline Duct Fan w/ Variable Speed Controller for $50 + free shipping