Features:

• N-Butane by Puretane is 100% American made.
• Puretane’s premium butane is triple refined through fractional distillation and then filtered 11 times for maximum purity.
• Puretane doesn’t stop there, to preserve the highest purity of the butane gas.
• 11x Filtered Butane Gas.
• It boasts a 99.9998% purity and is among the very best butane you can get.
• It's laboratory grade n-butane, with only 0.0002% ISO Butane in the mix.
• Puretane N-Butane is packaged in food grade cans.