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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Standard Features * 2x2 panel with fixed 22 gauge steel perforated face * 7/8" fiberglass back (R4 value) * Pattern controllers can be adjusted to 1
and handle
Single deflection transition box mount spiral pipe grille
with 60% free area
904 - Double Deflection Adjustable Aluminum Blade Grille For a 38" x 18" Duct Opening (front blades parallel to shortest dimension)
3 Hour Out Of Air Fire Door Grille 2663-36X36 Residential Registers & Grilles Standard Features * 2x2 panelh3. 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$ 144.51
US$ 176.29
US$ 125.07
US$ 22.06
US$ 215.70
US$ 19.36
