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3 or 4 way air patterns from face * One size fits 6" thru 16" (collar by others) * Soft White
inner dimension and outside dimension available * Available in continuous lengths with butt joints * Tamper proof screws * Standard Color
3-Way and 4-Way Air Patterns
4-way flush step down steel diffuser
57% free area * 1307: 13/16" lattice opening
2" Horizontal/Vertical Mount Curtain Fire Damper 2502-18X8 Residential Registers & Grilles 3 or 4 way airh3. Standard Features * 2501 Square or rectangular for vertical mount only. Maximum dimension 48w, 49h. * 2502 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 41w, 36h. * UL and California State Fire Marshall approved * 2" thinline frame * 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
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