Blue_Focus
Well-Known Member
I'm looking for something like a check valve for 4" exhaust pipe.
I want to exhaust the air in my tent to the outside, But it's winter here and I don't want any cold air coming back into the tent.
Even with my carbon filter my allergies are going nuts.
I want to exhaust the air in my tent to the outside, But it's winter here and I don't want any cold air coming back into the tent.
Even with my carbon filter my allergies are going nuts.