Like our Parshall Flumes, Openchannelflow manufactures fiberglass Montana Flumes in the following sizes:
- 1-inch
- 2-inch
- 3-inch
- 6-inch
- 9-inch
- 12-inch
- 18-inch
- 24-inch
- 36-inch
- 48-inch
- 60-inch
- 72-inch
- 84-inch
- 96-inch
- 120-inch
- 144-inch
Note that it is uncommon to see Montana Flumes larger than 48-inches in size.
In addition to fiberglass, many of the sizes above are also available in aluminum, galvanized steel, and stainless steel.