Speedflow manufacture compression style tube adapters along with tube nuts & sleeves to convert standard steel or aluminium tube to AN fittings. The tube adapters use a compression olive to seal, whereas the tube nut & sleeve requires the tube to be flared using a 37 degree flaring tool. 818-03-BLK 818-04-BLK 818-05-BLK 818-06-BLK 818-08-BLK 818-10-BLK 818-12-BLK 818-16-BLK
