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  • 1/4" insulating air space: eliminates condensation while keeping the outer casing cool
  • Available in sizes 3" to 8" diameter
  • Commercial (model E/V) sizes available - 10" - 30"
  • Designed for venting all approved propane and natural gas appliances
  • Hanger provision: provided on each length and elbow - offers added convenience for installer - allows insertion of hanger strap to assist in supporting vent
  • Inside conduit of aluminum: resists corrosion
  • Locking indentation: angled grooves ensure strong and rigid connection
  • Outside casing of Galvalume provides strength and durability - superior to Galvanized
  • Quick lock system: align seams and twist to left or just snap together using the on ramps - no screws required
  • Rollformed finish eliminates sharp edges, integrates the inner and outer pipe as one unit

Ecco Manufacturing 4 in. X 12 in. Type B Gas Vent Pipe



4 in


4 in
Inside Diameter
4 in
Inside Diameter 2
4 in
12 in


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