DF7 T-Bar 2-Cone Fixed-Pattern Diffuse with Collar Steel construction Use for T-bar selling Two—cone fixed core 360-degrees alr diffusion Cart match insulation Fixed collar Accept model DPB butterfly damper * Overall size X (24" X 24 openings) ¢ White durable finish 23-34 SQUARE et VALVE RISE FLEX DUCT LOCKING Blue fin) VALVE DOWN