Allied Commercial C1DIFF31B-1 Rectangular Supply and Return Transition With FD11-135-185, RTD11-135-185 Diffusers, For Use With: K-Series Model 102, 120 Rooftop Packaged Gas Heat Ceiling Diffuser Unit
Allied Commercial C1DIFF31B-1 Rectangular Supply and Return Transition With FD11-135-185, RTD11-135-185 Diffusers, For Use With: K-Series Model 102, 120 Rooftop Packaged Gas Heat Ceiling Diffuser Unit