Wall Vent Cap for Microwave Range Exhaust Bath Ventilation fan,Range Hood Wall Vent hood for 3-1/4" x 10" Rectangular Duct Ideal Use for Outdoor Air Exhaust Applications: Microwave vent,range hood vent,Kitchen vent hood wall vent,microwave hood vent,stove vent,kitchen wall vent,external extractor wall vent,range exhaust fan vent. Bathroom exhaust fan vent & extractors,microwave exhaust hood vent,kitchen fan vent,stove fan vent, wall exhaust,wall air vent, range external vent, cooker range hood extractors and other uses. Fitment: The overall size of the microwave vent wall vent cap for kitchen vent is 10-1/4" wide x 3-2/5" high, fits for 3-1/4" x 10" rectangular duct/microwave duct/kitchen vent duct/bathroom vent pipe/kitchen vent hose/kitchen range hood wall pipe. The duct fitting extends 4-7/8” from the cap for secure connection to ductwork, easily for attaching to rectangular ducting for wall vent installation(Not for dryer vent) Kitchen Range Hood Wall Vent with Screen and Damper: Our spring loaded damper with silicone cushion pad of the 3-1/4 x 10 Range Hood wall vent cap outside stay a tight seal when not in use. Effectively prevent external air or animals from entering, save energy and money. Gasket minimizes vibration and noise. Openable Bird Screen: The bird proof screen of the outdoor range hood exterior vent wall cap for microwave stove is easy to open by phillips screwdriver. Easily clean the leaves that collects on the screen of the bathroom exhaust fan cover outdoor, no need to remove the entire microwave exhaust vent cover for hood. Heavy Duty Range Hooded Wall Vent: Our kitchen vent wall stove vent wall cap for microwave range hood is made of durable 28 gauge galvanized steel, rust proof, corrosion-resistant, meeting the needs of long-term use. Easy install: Our bathroom wall vent cover outdoor microwave wall vent kit with pre-drilled holes, no need to drill holes. The microwave vent hood wall cap vent cover outside for hood stove attaches aluminum foil tape, providing a tight sealing installation. Warm tips: Pls measure your duct diameter before ordering the kitchen wall vent cover for range hood stove microwave .