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, Puretane N-Butane is packaged in food grade cans. These cans have a BPA-free plastic lining that protects the gas from contamination, such as corrosion and the toxic manufacturing lubricants typically found in conventional non-lined cans.
-Triple Refined, 11X Filtered N-Butane-99.9998% N-Butane, 0.0002% Isobutane
-Food-grade BPA-free plastic lined cans ensures zero oily manufacturing residues