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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Extended sleeve ( See Model 2702)
Square collar designed for a 20” × 20”
listed Fire-Resistance Diffusers * TVB - Thermal Vapor Blanket * Square collar
Ceiling opening must be 4” larger in length and width than the nominal duct size
Volume Damper Low-Leak OBD 3000-0BDLL-42X30 Residential Registers & Grilles Extended sleeve ( See Modelh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.
US$ 124.00
US$ 99.00
US$ 1112.50
US$ 14.95
