About This PRECISE FIT – Wall register with opening dimensions of 7.87" x 7.87. Outer frame of 10.24" x 10.24" and the insertion depth is 0.75". Protection mesh panes dimensions - 0.2" x 0.2" Inches. For residential or commercial use. Compatible with HVAC, dryer, and exhaust/air return and supply systems. HEAVY DUTY AIR VENT COVER - Duct soffit vents are manufactured from quality metal - galvanized steel. Made for indoor and outdoor use. Resistant against harsh weather, physical scratches and dents. Works perfectly as a soffit vent, wall, or as a gable vent in your home. CLEAN AIRFLOW, ZERO BLOCKAGE - Protect your ventilation system from outside environment with built-in wire 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 8x8 inch vent. EASY, SECURE HVAC VENT INSTALLATION – The air register cover attaches to any flat surface duct hole / opening with screws (NOT INCLUDED). Pre-drilled mounting holes are hidden between louvers and mesh for a clean finish. Air vent cover for heating or cooling ductwork, for garage, basement. HVAC WALL VENT COVER – The louvered vent is perfect for improving ventilation in exterior or interior environments. The outdoor grill reduces moisture buildup and supports efficient HVAC system performance year-round. Air grill ideal as a ac vent cover, crawlspace vent, heat register cover, heater vent or fresh air intake vent.