IMPERIAL GROUP USA 326W20X20 20x20 White Air Grille 20" x 20", white, steel lanced return air filter grille with 1/2" fin spacing, all steel construction, 1/2" spaced fins set at 40 degrees, effectively conceals filter, used standard 1" thick disposable filters, not included, removable face for easy installation cleaning, equipped with adjustable filter retainers. The product is manufactured in United States. Easy installation and easy handling. Features The product is manufactured in United states The product is highly durable and easy to use Easy installation and easy handling USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.