Connecting two metal dryer vent hoses
Posted by Ralph Emmerich on March 21, 1999 at 21:37:00:
I connected two metal 4" diameter dryer vent hoses together to make a longer length of hose by inserting a 4" PVC coupling inside the ends of the hoses, and attaching the hoses to the coupling with 4" hose clamps. Do you think that the coupling thickness inside the hoses would create a place for lint to get stuck and thereby create a fire hazard? What is the correct way to accomplish this end?

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