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Hinged removable extruded aluminum face frame with signature line marks
back blades parallel to the shortest dimension Extruded aluminum surface mount frame with signature line marks Provides 4-way air flow on one plane Nylon bushings on adj
Heavy gauge cold roll steel
Double deflection transition box mount spiral pipe grille
TVB - Thermal Vapor Blanket
Parallel Blade Volume Damper 3000P-42X40 Residential Registers & Grilles Hinged removable extruded aluminum faceh3. 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
