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 - 27 February 2022 47 0 SHARE Facebook Twitter Go to the deal page: iPower 4" Inline Duct Fan w/ Variable Speed Controller for $54 + free shipping