You need a fan or something to pressurize the space you're trying to exhaust. If you're full out diy ING you can get a 4" desk fan from Walmart and attach it to the end of your dryer hose. Just make sure the fan is pushing the air OUT of the room so it sucks the fumes out.
MatildatheHazardous t1_j2ad0gn wrote
Reply to installing a 4in round vent into an exterior door by jpence1983
You need a fan or something to pressurize the space you're trying to exhaust. If you're full out diy ING you can get a 4" desk fan from Walmart and attach it to the end of your dryer hose. Just make sure the fan is pushing the air OUT of the room so it sucks the fumes out.