2" X 10" Luxury Victorian Floor Register Grille With Dampers - Luxury Contempo Decorative Grate - HVAC Vent Duct Cover - Matte Black Outdoor Vent Covers + Product Details Size – LO246 Product Details Size 32 Compatible with Duct 4"

+ Product Details Size – 20" x 28" or 28" x 20" is the size for the duct opening measurement only

and all locks open with just one key

+ Product Description The Clear Plastic Thermostat Guard provides reliable protection and security for your thermostat while ensuring optimal functionality

please note that the total outer dimensions of the grille measure 12" in diameter

2" X 10" Luxury Victorian Floor Register Grille With Dampers Luxury Contempo Decorative Grate HVAC Vent Duct Cover Matte Black Outdoor Vent Covers + Product Details Size – LO246 Product Details Size 32 Compatible with Duct 4" + Product Details Size – 20" x 28" or 28" x 20" is the size for the duct opening measurement only and all locks open with just one key