We purchased that one because we drilled through the sides of the vent and we didn't have to mess with the caulk or roof.
Maxamad: Hore Wadadii aynu u dhisnay ayaan waayo aragnimo ka qaadanay taas ayaa inoo sahashay inaanu ka fiirsano dhismaha si aysan u imaanin bulaacado iyo biyo xareeno.