4MFS Metal-Fab B-Vent 4" Firestop

Part #MF4MFS

MFG #4MFS

Specifications

• Gas Vent Pipe Firestop
• Type Firestop
• Applicable Standard UL 441, CUL, NFPA 54/211
• Size 4"
• Material Sheet Metal
• Overall Dimension 4.563" Inner Diameter x 6.5" Outer Diameter x 8.5" Square
• Clearance to Combustible for 1"
• Warranty 1 Year Limited

Documents

Description