Pay in 4 interest-free payments of $47.01 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Options * Sleeve variations * 304 stainless steel construction * Fractional and odd sizes available h3
* 2634 - Square or rectangular Spring actuated (6) out-of-airstream fire damper for horizontal or vertical mount
Soft white
* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Interlocking steel roll-formed blade (3) with roll-formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3
with 53% free area
3 Hour Out Of Air Fire Door Grille 2663-30X30 Commercial Options * Sleeve variations *h3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"
US$ 25250.00
US$ 45.40
