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1600 Series Engineering/Performance Data
Standard Features *
4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 18" Duct Opening (front blades parallel to shortest dimension)
Fan shaped 1/2" spaced louvers
4" 3 Hour Vertical Mount Fire Door 2661-30X26 past 12 months 1600 Series Engineering/Performance Datah3. 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"
![Coating thickness gauge - FE/NFE intern JCT 100 Measuring range coating thickness [d] (µm) 2000 µm Barcor](https://cdn.shopify.com/s/files/1/0871/5193/5831/files/JCT-100_0003.png?v=1755635586)
