Methane is a flammable, colorless, odorless, compressed gas.
See the Methane page under the Pure Gases Tab on the Menu of our Specialty Gas & Equipment Catalog for detailed information of gas purity http://www.airgassgcatalog.com/catalog/
Specifications
Size 150A Aluminum Cylinder
DOT Specification: 3AL-2015
O.D.: 8" - 20 cm
Length: 48" - 122 cm
Weight: 48 lbs - 22 kg
Linde = A31
Air Liquide = 30AL
Praxair = AS
Matheson Trigas = 1R
MG = 150AL
Scott = AL
Sizes may vary by location. Contact your Airgas representative or local branch location for availability in your area.