Product review (2 stars): Disappointing
Poorly engineered and manufactured.

Mine arrived with broken tabs. Tiny, tiny tabs whose purpose may serve to aid manufacturing and assembly but are too weak to keep the clamshell-style halves together. These tabs are so dramatically under-engineered they either failed in shipping or didn't survive assembly at the factory. Good thing this product comes with tie wraps to attach the dryer hose... I'll need them to keep this product from "unhinging". The "pressure relief" feature is silly (a second flap in the middle of THE flap). This "feature" activates with the lightest puff of air completely compromising any seal (I'm being generous suggesting the parts of this product actually align properly) and makes the choice of directing the majority of air either indoors or out moot. Unless you disable this 2nd flap (i.e. duct tape) the air goes where it wants to.

Here's my biggest problem - no pride in work. Not in design... Not in engineering... Not in manufacture. This product appears to have been compromised by committee and bean counters to maximize profit, not to deliver a quality product with value.