If you need to be 38MPA, please leave me message. We’d like to remind you that. You’d better make sure that your container can bear 38MPA otherwise it is not safe. We don’t suggest a beginner to try it. For the beginners our machine’s default pressure is set to 30-32MPA for you. 50 or 100# reciprocating air compressor oil (or 5W-40 oil). (the machine is without of oil because the oil is not allowed in the plane). It takes 3 mins to fill full 350CC tank to 300BAR. It takes 5 mins to fill full 450CC tank to 300BAR. It takes 15 mins to fill full 1L tank to 300BAR. The item “300BAR 4500PSI High Pressure Air Compressor PCP Air gun Inflation Scuba Air Pump” is in sale since Monday, June 1, 2020. This item is in the category “Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Air Compressors & Blowers\Other Air Compressors”. The seller is “burnerworld-2″ and is located in ShenZhen. This item can be shipped worldwide.