2" Round Horizontal/Vertical Mount Fire Damper 2550-22 Smoke-Fire Damper T-Bar Modular Core Diffuser with

T-Bar Modular Core Diffuser with Round Collar 18-20

Tamper-proof Screws

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 14" Duct Opening (front blades parallel to shortest dimension)

Note: Sizes listed are the duct or opening size the grille will fit into

2" Round Horizontal/Vertical Mount Fire Damper 2550-22 Smoke-Fire Damper T-Bar Modular Core Diffuser withStandard Features Spring actuated curtain type fire damper with 2 1 4" round connection for horizontal or vertical mount 2" thin line roll formed out of airstream frame Designed for use in walls, floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application, see 2700 series) UL listed and tested in accordance with UL Standard 555 1 1 2 hour fire resistance rating Building materials rated 2 hours or less CSFM California