Upgraded dryer vent replacement flap. Flaps missing or broken? Print your own instead of paying for a whole new one (and avoid the hassle of installing a new unit)! Version 2 is designed to prevent warping due to heat from the dryer exhaust. Flexible enough to easily install, rigid enough to stay in place.  (Version 1 is offered for free but is prone to warping: https://pinshape.com/items/108...