18 gage, 304 stainless steel (with #4 finish), spark arresting, metal end fitting for flexible duct. Metal mesh (0.047" diameter, 33.2% open) and 1/2" expanded metal screens provide spark protection and prevent debris from entering duct. Duct connection end has roll bead. |
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Part Number | Diameter | |
CR81 | 4" | |
CR43 | 6" | |
CR44 | 8" | |
CR46 | 10" | |
CR47 | 12" | |
CR49 |
16" |