boxes or APO/FPO addresses due to the specific nature of their size and material. Please note that we are unable to ship our products to P.O. If your shipment experiences a significant delay, we will contact you via email or phone. If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please keep in mind that these timeframes may vary depending on the specific circumstances and shipping destination. Once shipped, standard delivery time is estimated to be 4-5 days. Shipping is free on orders over $75 within the United States.Īll orders are typically processed within 1–3 business days upon receipt. Shipping charges for your order will be automatically calculated and displayed at checkout based on the total weight and volume of the items. If the hole is 20" wide by 30" tall, order 20x30 option.įor this particular product you're viewing at the moment, the hole on your wall/duct opening should be 30"Wx20"H.Ĭlick the 'Add To Cart' button now to order your Return Air Filter Grille! As an Example: If the hole on your wall/duct is 30" wide by 20" tall, order 30x20 option. In a grille size, the first number always represents the width and the second one is the height. Size of the grille is listed size +1.75-inch. Do not measure the entire size of the register itself. Screws are included with the system, standard.Īlways measure the size of the duct opening (the "hole" in the duct/wall). Return Air Grille for 30"x20" Duct Opening, White, Steel All of our filter frame grilles include a washable filter.30" X 20" Steel Return Air Grille | HVAC Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 31.75"W X 21.75"H for 30x20 Duct Opening Air returns don't have a damper as they need to allow free flow of air into the vent.Ī typical Return is a vent cover without the damper/ louver on it.Ī Return Air Filter Grille or Return Filter Frame contains a vent cover that attaches to a filter frame assembly. A grille has no damper to control air flow, so air is left to flow freely. Grilles do not have the damper normally found on registers.Īn air return is a vent grille that is usually located either in a hallway or in the ceiling, and its purpose is to extract air from a room and recycle it through the system to further condition it by cooling or heating. These are commonly found if you have heating or central air conditioning. These are only used for vents that supply air and are optional.Ī grille is a vent cover through which air is blown into or out of a room for circulation back to the central heating or cooling unit. Many of our grilles have an added custom damper or louver option and all registers include a damper.Ī supply vent cover comes with a louver/damper to control air flow. These adjustable louvers/dampers can open or close the register to open and close the flow of air. Louvres, or dampers, are often attached to the back of a heat register. Heat registers are vent covers that cover the hole in the wall or floor where the duct enters the room. Many heating, ventilation and air conditioning (HVAC) systems are made up of traditional duct work that runs between the furnace and the individual rooms of a house. In some spaces, you may have the option of installing a register or decorative grilles interchangeably. Home and building owners don’t normally need to know the difference between, grilles, air registers and air returns.
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