Parallel Blade Volume Damper 3000P-42X40 Residential Registers & Grilles 104 - four way *

104 - four way * 2x2 galvaneal steel panel with seismic support holes * Square to round No Labor Collar * Soft White Options * 104 D - steel multi-shutter damper * 104 O - steel opposed blade damper * 104 FR

Holds up to a 2” filter (not included)

Options 14 GA 304 SS Construction

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

Airfoil blades individually adjustable on 3/4" centers

Parallel Blade Volume Damper 3000P-42X40 Residential Registers & Grilles 104 - four way *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