The 1400 Series is a set of hinged perforated face T-Bar products. Choose from models providing the luxury of high-quality adjustable blades, smooth and even 360 deg airflow, or the economy of adjustable deflectors. The 1444RG is the perfect match for either Supply Diffuser. Every 1400 Series Diffuser comes standard with the TRUaire Super-Collar and is also available with optional insulation. TRUaire™ Supply Diffuser, Hinged Perforated Face, Series: 1400CB, 23-3/4 in Width, 4-1/4 in D, 23-3/4 in Height, 4-Way Diffusion Pattern, Pristine White, Steel, Powder Coated, Import