Dundas Jafine TDIDVKZW Indoor Dryer Vent Kit with 4-Inch by 5-Foot Proflex Duct, 4 Inch, White Add $20.63current price $20.63Dundas Jafine TDIDVKZW Indoor Dryer Vent Kit with 4-Inch by 5-Foot Proflex Duct, 4 Inch, White Shipping, arrives in 3+ days 5000-1 Quick Connect Dryer Vent...
A one-way soffit vent has an upstream valve seat and a downstream vented cover having a boss extending in the upstream direction. A valve disk is reciprocally mounted on the boss and biased against the valve seat.Inventors: Niedermair, Siegfried (Sharon, CA) Application...