Parallel Blade Volume Damper 3000P-58X34 Step Down Ceiling Diffuser Ceramic fiber blade insulation with

Ceramic fiber blade insulation with fiberglass cover*

2" ADC compliant round collar with a bead for ease of installation

Access door with 1-3/8" deep steel roll formed frame

Non-standard size collar (available in 6" through 20")

055 T6 aluminum surface mount return air grille * 0 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 908 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Fractional

Parallel Blade Volume Damper 3000P-58X34 Step Down Ceiling Diffuser Ceramic fiber blade insulation withh3. 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