Steel construction
Use for T-bar ceiling
Perforated faceplate
Adjustable deflectors
Removable hinged face for easy air flow adjustment and cleaning
Overall size 23-3/4''×23-3/4'' (24“×24" openings)
Accept model #403101 butterfly damper (6''-14'')
Fixed collar 6'' to 14''
Formed metal back panel
White durable finish
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