If your dryer used a soft foil-style vent to link to the wall duct, get rid of it. These hoses are a known fire risk. I personally replaced the original semi-rigid venting with a pair of 90-degree ...

Cleaning your dryer vent is important to maintain the appliance's efficiency and prevent a potential fire hazard. Here's how ...

Handel recommends a rigid metal duct. “The smooth walls allow the ... that’s a clue that there may be a blockage in the dryer ...