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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Standard Features * 4000 - door core grille with single frame * 4100 - door core grille with additional loose frame *
Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension
3-way register with stiffened 1/2" fan shaped louvers for silent operation
back blades parallel to longest dimension
Parallel Volume Damper Low Leak 3000PLL-64X28 Residential Registers & Grilles Standard Features * 4000 -h3. 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
