Greenheck CRD-1WT -6X6 ceiling radiation damper firestop flap assy Canada Cert.

Description

New  Greenheck Ceiling Damper for static System; Fire resistant Assy Rating  1 Hour or less.
DOM 8/19/11
Fire resistant classification  M-508   P- 554
UL classified  C US
No BX-614146
Certified for Canada
FLX 1150
4" round input
6"x6  " square out
9" height
10" overall length
weight 5# 6 0z dry
Multiples available