Stable Air Circulation: Using the Suprocky Return Air Pathway balances indoor and outdoor air pressure and prevents uneven room temperatures. Installing the air return grill is a simple way to improve air flow in your home. It improves the efficiency of HVAC systems, which saves time, energy, and money, and makes your home more comfortable.
Long Lasting: This vent is made of durable metal material. The shell is made of cold rolled steel, sprayed with plastic powder, the surface is matt, anti-corrosion, anti-rust, anti-fading. It is durable and easy to clean.
Easy Installation: No need to install crossover or jump ducts with this convenient in-door vent. The retrofit two piece metal frame is expandable for ease of use. Included instructions make installation quick and simple.
Dimensions: The wall air vent opening size of this hvac return air filter grille is 13.8"W X 5.9"H. The external dimensions are 16.1"W X 7.6"H. The thickness is adjustable to fit walls with a thickness of 3.8”-7.4.” Note: Measure the size of the wall vent duct/drywall opening.