Pay in 4 interest-free payments of $207.13 Learn more
Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension
Heavy gauge steel construction
* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Maximum dimension 60w
Check out the All About Spirals page
Parallel Blade Volume Damper 3000P-70X16 Step Down Ceiling Diffuser Standard Features Double deflection surfaceh3. 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
