About This

• PRECISE FIT FOR 4 INCH DUCT - INSERTION DIAMETER is 3.94" and EXTERNAL DIAMETER is 4.92" with INSERTION DEPTH of 0.79" inches. Suitable for use as a gable vent, crawlspace vent, for house foundation or soffit.
• SCRATCH RESISTANT & BUILT TO LAST - The air register is coated with polymer paint coating and constructed from heavy-duty metal - aluminum, which is resistant against harsh weather, physical scratches and dents. These air vents withstand harsh weather, UV exposure, and physical impact without bending or rusting, making it ideal for indoor and outdoor use.
• CLEAN AIRFLOW, ZERO BLOCKAGE - Protect your ventilation system from outside environment with built-in aluminum mesh screen. Protection mesh pane guard dimensions - 0.39" x 0.39" Inches. This air duct vent cover has modern design and is suitable for a 4 inch vent.
• SIMPLE INSTALLATION - The industrial round vent cover must be fixed to a flat surface with screws. Screw holes are located at the sides of the mounting neck, between the louvers and aluminum mesh. Screws are NOT included.
• INTERIOR & EXTERIOR HOME IMPROVEMENT - Wall vent covers for HVAC - ventilation, heating, cooling. Round air vent cover for house - kitchen, bathroom, kitchen, garage, shed or attic. As a ceiling vent, bathroom vent cover, outdoor dryer vent cover, conditioner vent / ac vent or as a soffit vent cover.