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Ships within 48 hours · Estimated delivery Sep 26 - Oct 1
Countersunk mounting holes with color matching Philips Pozidriv screws
Holds up to 1" filter
Double deflection transition box mount spiral pipe grille
Standard Features * Heavy duty honeycomb 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 * Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system * Soft White Options * No mounting holes * Tamper Proof Screws * Standard Color
3 Hour Out Of Air Fire Door Grille 2663-48X48 Smoke-Fire Damper Countersunk mounting holes with colorh3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"
US$ 10.00
US$ 10.00
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US$ 11.68
US$ 22.18
