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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Provides 4-way air flow on one plane
T-Bar Modular Core Diffuser with Round Collar 18-20
Standard Features *Surface mount return air grille * 45 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 936 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Tamper proof screws
* 2534 - Square or rectangular spring actuated (6) for horizontal or vertical mount
Directional volume diffuser with 4-way removable core
2" 3 Hour Vertical Mount Fire Door 2561-20X16 Accessories Provides 4-way air flow onh3. Standard Features * 2561 Square or rectangular fire door for vertical mount only. Maximum dimension 48w, 49h. For damper free area chart A click here * 2563 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. For damper free area chart B click here * 2565 Round fire door for vertical mount only. Available 4" thru 40" round. * UL and California State Fire Marshall approved * 2" thinline frame *
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