The shell is made of aviation grade aluminum alloy, resistance to high pressure 2. Internal use of imported activated carbon, reach 95% effect. Of oil and water separation 3. It can be used over and over again 4. Compatible with many kinds of air compressors 5. Weight: 2kg Package included: 1 x 30Mpa air filter 2 x Pipes 1 x 8mm connector 1 x Set of mounting parts. International buyers please note.