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The H190 18 x 24 is a 18 in. x 24 in. return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our return air filter grille to outfit your ventilation system will improve your home air circulation.
Outside Length (in.) | 27 in |
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Outside Width (in.) | 21 in |
Color | White |
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Color Family | Whites |
Features | Louvered |
HVAC Product Type | Return Grille |
Installation Location | Ceiling, Wall |
Material | Steel |
Maximum Duct Opening Length (in.) | 24 in |
Maximum Duct Opening Width (in.) | 18 in |
Pack Size | 1 |
Product Weight (lb.) | 8.3 lb |
Returnable | 90-Day |
Manufacturer Warranty | None |
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While two 20x20 grilles might seem like a simple substitute for a 40x20 grille, it's generally not recommended. Return air grilles play a crucial role in maintaining proper airflow and filtration in your HVAC system. Using two smaller grilles instead of one larger one can disrupt the intended airflow balance and potentially reduce the efficiency of your system. It's best to stick with the correct size grille (40x20 in this case) to ensure optimal performance.
The outside dimensions of the 24" x 18" White Return Air Filter Grille are 27 inches in length and 21 inches in width. This information is available in the product specifications. You can also find additional details like the rough opening size (18" x 24") and filter size in the existing Q&A section.
Hi Mitchell, This will fit a duct opening of 14" Wide by 20" High and will hold a filter that is 14"x20" The overall outside dimension is approximately 16.75" by 22.75". I hope this helps!
This is a 20x40 return grille, which will be extremely oversized for a system with a 13x20 filter. Like, almost 4 times too big. I would suggest a return much closer in size to your current filter.
These can be special ordered. Please reach out thd@rectorseal.com and we can assist.
Hello Jorge, You can special order this model. To place a special order, go into your local Home Depot store and at the ProDesk place an order for the model "190RF40X20".
This return air filter grille is designed for installation on walls or ceilings. It's not designed for installation on a door, especially one where a head system (presumably a heating/cooling system component) is housed. The door's movement and the potential interference with the head system could prevent the grille from functioning correctly.
Hello NewhomeSK, Since this is a return air filter grille, both the duck opening and dry wall opening must be a minimum 12-1/8" square.
Hello GO, This model is a return air filter grille and is designed to hold a filter not just cover the duct opening. The smallest opening size that this model will fit is 14-1/8" x 20-1/8", this will give you 1/16" clearance all around the grille.
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