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HVL Series Engineering/Performance Data
Unique fan-shapped pattern lends to both heating and air conditioning applications
Hand operated level for easy filter access and cleaning
Blade lock to secure blades once the product is activated
Parallel Volume Damper Low Leak 3000PLL-68X16 Residential Registers & Grilles HVL Series Engineering/Performance Datah3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee 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. Options * 3000 PLL Low Leak Air Control
