Parallel Volume Damper Low Leak 3000PLL-50X36 Accessories Standard Features * Extruded aluminum

Standard Features * Extruded aluminum construction with steel multi-shutter damper * Margin edges are 7/8" projection for baseboard installation * Nylon bushings for easy adjustment and quiet setting of airfoil blades running parallel to shortest dimension * Countersunk mounting holes for flush appearance

Egg Crate T-Bar Filter Grille 2"

2500/2600 Installation Instructions

" Spiral pipe diameter must be 4” larger than width of grille

Designed for return applications and as a vented access door to equipment

Parallel Volume Damper Low Leak 3000PLL-50X36 Accessories Standard Features * Extruded aluminumh3. 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