Telescopes onto standard Ameri-Vent pipe length for adjustments from 3 to 10 in for 12 in lengths. Made of corrosion-resistant galvanized steel and aluminum as double-wall construction. Ends have a snap-lock coupling.
| Outside Diameter | : | 4 in |
| Material | : | Galvanized Steel |
| Temperature Rating | : | 400 to 550 deg F |
| Length | : | 12 in |