Shoemaker Manufacturing’s commercial grilles, registers and diffusers are known for being aesthetically pleasing, high performing, and easy to install. Elevate the look of your project by choosing from a variety of face styles and color options available from Shoemaker. Whether you need surface mount or T-bar, supply, return or filter grille, Shoemaker has you covered. Square, 2" round and 3" round collars, dampers, fixed and adjustable blades are some of the many options that ensure you will find the exact product you need. Check out the smoke test videos in our video library to see demonstrations of the throws of several of our T-Bar diffusers.