MagVent couplings make cleaning your dryer vent regularly a snap! MagVent transition hose is UL 2158A approved, non-flammable, and is never crushed behind the dryer!
https://safedryervent.com/articles/failure-to-clean-your-dryer-vent-may-be-putting-your-home-at-risk-of-a-dryer-vent-fire/