Product Description 24x18 Return Air Grille [Duct Opening Size],Cold Air Return Vent Cover for Wall Or Ceiling,AC Return Vent Cover,Return Air Filter Grille Removable Face/Door for 1 Inch Filters Features: ? This 24x18 return air filter grille is built from thick, one-piece stamped steel, finished in a matte-white powder coat that hides fingerprints, survives bumps, and won’t yellow after years of heating cycles. User-friendly design, this grille seamlessly integrates into your home’s HVAC system to optimize airflow for both heating and cooling.Its modern, low-profile design looks great on any wall or ceiling, providing a clean finish that complements your decor while performing flawlessly. ?Always measure the wall opening to determine which size you should order.Wall Opening Size = Listed Size.24"Width x18"Height is the listed size for the hole in the wall only (Duct opening size), Actual front and outer dimensions are 25.75" Width x19.75" Height.Be sure to measure the wall hole (space) before ordering.if wall hole size (Duct opening size) : 24"x18", please order. ?Crafted for performance and aesthetics, our 24x18 Return Air Filter Grille ensures efficient, quiet airflow control while seamlessly blending into your home or commercial space.Designed with precision and durability in mind, it optimizes HVAC system performance and enhances indoor air quality. ?The removable door features a simple, tool-free latch.Just slide with your finger to open and swap your standard 1" filter (filter not included) in seconds.No more fumbling with screws or complicated mechanisms. SPECIFICATIONS: -Material: Heavy-Gauge Steel -Finish: Matte White Powder Coat -Compatibility: Standard 1" Air Filters (Filter Not Included) -Installation: Sidewall or Ceiling Overall Dimensions: (for a 24"x18" Duct opening size): 25.75" W x 19.75" H Fin Spacing: 1/2" at 40-degree angle to conceal the filter PACKAGE INCLUDES: 1 x 24"W x 18"H Return Air Grille 1 Set of Mounting Screws NOTE: Please allow a slight 0-0.39 in variance in dimensions due to manual measurement.Always measure your wall opening before ordering to confirm the correct size. #productDescription { color: #333333; word-wrap: break-word; font-size: small; line-height: initial; margin: 0.5em 0px 0em 25px; } #productDescription_feature_div > h2.default { font-size: medium; margin: 0 0 0.25em; } #productDescription_feature_div > h2.books { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: normal; margin: 0px; } #productDescription_feature_div > h2.softlines { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: bold; margin: 0px; } #productDescription > p, #productDescription > div, #productDescription > table { margin: 0 0 1em 0; } #productDescription p { margin: 0em 0 1em 1em; } #productDescription h3 { font-weight: normal; color: #333333; font-size: 1.23em; clear: left; margin: 0.75em 0px 0.375em -15px; } #productDescription table { border-collapse: inherit !important; margin-bottom: 0; } #productDescription table img { max-width: inherit !important; } #productDescription table td { font-size: small; vertical-align: inherit !important; } #productDescription ul li { margin: 0 0 0 20px; } #productDescription ul li ul { list-style-type: disc !important; margin-left: 20px !important; } #productDescription ul ul li { list-style-type: disc !important; margin-left: 20px !important; } #productDescription > ul ul li { list-style-type: disc !important; } #productDescription ul li ul li { margin: 0 0 0 20px; } #productDescription .aplus p { margin: 0 0 1em 0; } #productDescription small { font-size: smaller; } #productDescription.prodDescWidth { max-width: 1000px } P.when('jQuery').execute(function($){ $("#productDescription table").each(function() { var width = $(this).attr('width'); if (width) width += 'px'; else width = 'auto'; $(this).css('width', width); var padding = $(this).attr('cellpadding'); if (padding) padding += 'px'; else padding = '0px'; $(this).css('padding', padding); }); }); #productDescription h3 { margin: 0.75em 0px 0.375em -1px; }