Gym Grade Grille 1610-40X10 Finish:Designer Color - Bronze Building materials rated 3 hours

Building materials rated 3 hours or less

Accessory to the 90 Series

Zinc plated steel closure spring

T-20 Tamper Proof Screws

Gym Grade Grille 1610-40X10 Finish:Designer Color - Bronze Building materials rated 3 hoursStandard 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