No problem buddy, I'd recommend D.O.T approved air line, And D.O.T approved fittings, as a minimum. Flexible nylon air lines are not the best, I'd pay more for the D.O.T approved stuff, as a minimum. D.O.T approved: Double layered, Hard to kink or fold, Double sealed fitting (seals on inside and outside of pipe) Vehicle approved (lorry air brakes, government buses, range rovers and few vehicles that come with air bags from factory - would run this types of air line and fittings) Nylon air line: Cheaper, Single layered, Folds, bends and kinks easily (causing air blocks or bottle nec