Gym Grade Grille 1610-52X22 Finish:Designer Color - Velvet Black Long throw individually adjustable blades

Long throw individually adjustable blades with 1 1/2" blades on 1 1/2" centers or 3" blades on 3" centers

w/ Tool Operated Opposed Blade Damper

Zinc plated steel closure spring

Recessed screwdriver operated Opposed Blade Damper

Note: Sizes are Listed Nominal Duct Opening

Gym Grade Grille 1610-52X22 Finish:Designer Color - Velvet Black Long throw individually adjustable bladesStandard Features * Heavy duty 16 gauge steel construction * Blades run parallel to longest dimension given * Gym Grade includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Soft White Options * No mounting holes * For opposed blade damper, see 1560 Series * Tamper proof screws * Standard Color, Designer Color or Plated Metal Finish available on this product