Puretane

Puretane is a California-based company that specializes in the production and distribution of N-butane. It is triple purified by fractional distillation and then filtered seven times to ensure maximum purity.

In terms of product mix, Puretane offers various volumes of N-butane. Cylinders come in different volume packages, such as 9, 18, 36 or 72, and canisters come in two sizes: 20 pounds and 100 pounds.

All products are, as claimed, 99.9998% pure, triple purified and 11 times filtered, making it one of the highest quality products on the market.