Parallel Volume Damper Low Leak 3000PLL-46X42 Residential Registers & Grilles Available in 4" through 29"

Available in 4" through 29" round

Standard Features * Flush modular curved blade T-Bar diffuser * Curved blade cores sit flush with face for more uniform air flow * Movable cores provide multiple fixed air patterns * 6x6 thru 14x14 diffuser sizes * Square to round No Labor Collar * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 700MCB O - opposed blade damper * TVB - Thermal Vapor Blanket * Square collar

blades prevent metal on metal rattle

Standard Features * Full size fixed bar blade T-Bar lay-in return air grille *

Parallel Volume Damper Low Leak 3000PLL-46X42 Residential Registers & Grilles Available in 4" through 29"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