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McDaniel Metals SST-AA-CL-R8 is a system service transition that adapts a 14 x 21 connection to a 14 1/4 x 21 connection. Constructed of galvanized steel with R8 ductboard insulation, the unit is intended for closet HVAC applications and has a listed weight of 14 lb. The adapter provides a mechanical, insulated transition between duct sizes for residential HVAC systems.
Galvanized steel construction with R8 ductboard insulation; converts 14 x 21 to 14 1/4 x 21; intended for closet HVAC installations; 14 lb.
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