The Unico System outlet screen is designed to fit inside the opening of the round Unico outlets, part numbers UPC-56B and UPC-57. They should be used for all floor outlets, or anytime there is a possibility of small objects falling into the outlet. The screens will not blow out if properly installed. The outlet screens are available in two colors, white (standard) and black.
The Unico System® Outlet Screen, For Use With: 2 in Duct, White