You can find also attached:
Technical data sheet , Flyer , Drawing, Presentation
For more details :http://www.bauer-kompressoren.de/en/products/breathing-air-sports/pe-mve-250-300-lmin/
download/2015-05_PE-MVE_EN_N40009_sc.pdf
download/B-Telegram_PE-MVE_07.2015 (EN).pdf
download/Drawing_171732-s01.pdf