No you need ventilation or else you ' re evacuation wont work proprely . And if you don ' t bring it outside you have a good chance of sewer smells creeping back up the pipes and seeping into the room through that open pipe with no protectionPTrap <| sep |> Seems to playing decoy <| sep |> Hahaha man that happened to me once , I was on a jobsite and I walked under a low beam with my helmet flipped up . Ripped the headgear in two . Whoops . That set me back a few hours . <| sep |> Yes agreed brother , it ' s up to the individual to be able to change the way they feel . Happy Thanksgiving , Cheers ! <| sep |> One of my favorite moments ever was when a black guy on a bike called me a fucking nigger as he cut me off . <| sep |> I assumed it was to force desperate people to buy orbs from black Friday shop .