Home Dealnews iPower 4" Inline Duct Fan w/ Variable Speed Controller for $54 +... Dealnews iPower 4" Inline Duct Fan w/ Variable Speed Controller for $54 + free shipping By ARCOM - 4 December 2021 65 0 SHARE Facebook Twitter Go to the deal page: iPower 4" Inline Duct Fan w/ Variable Speed Controller for $54 + free shipping