Shoemaker 450-22X22 High-Velocity Multi-Louver Flush Diffuser - Soft White

Hey, good day! Thank you for taking an interest in the Shoemaker 450-22X22 flush diffuser. It comes in 22" (L) by 22" (W) opening dimensions. To order this diffuser, click "add to cart" and fill in the required information. Thank you for choosing PlumbersStock! Happy shopping!

Hi! Thank you for asking about the Shoemaker 450-22x22. We have a vent cover that might work for your 19.75 x 19.75 vent. This Shoemaker 450-18x18 has a standard size of 18x18 plus the nominal size of 1-3/4, which makes a 19-3/4 x 19-3/4 that will fit with your Shoemaker vent cover. Please see this submittal sheet for more details. Once you're ready to purchase, you may contact one of our knowledgeable customer support specialists at 435-868-4020 between 8:00 AM and 7:00 PM MST or via E-mail at support@plumbersstock.com to see if they can get it for you. They will be happy to assist you further. Thank you for choosing PlumbersStock. Have a great day!

Hi! Thank you for asking about the Shoemaker 450-22X22 High-Velocity Multi-Louver Flush Diffuser - Soft White. The duct opening is exactly 20-1/2" x 20-1/2"; as listed, nominal sizes are based on duct dimensions. The nominal 20" x 20" grille will cover the opening perfectly, with its frame extending slightly beyond for secure mounting. If you're looking for the Shoemaker model 450 grille, then the Shoemaker 450-20" x 20" grille is the one you need. Once you're ready to purchase the Shoemaker 450-20X20 Diffuser grille, please add a "dot" before the SKU number (for example: .129389) to search for the product, click "Add to Cart," and fill in the information needed. Thank you for reaching out to PlumbersStock. Have a wonderful day!