With gas ballast mbar/torr 12 / 9. Ambient temperature range (operation) °C 10 - 40. This unit will arrive in the condition shown, fan guard cover has some pieces broken off, blade is accessible. The general function is unaffected. Power cords and power adapters are never included unless specifically mentioned.For questions regarding this item, please reference the SKU to help us better serve you. ATTENTION: WE HAVE BEEN IN BUSINESS SINCE 1978. This item is guaranteed to be as described. We reserve the right to refuse service to anyone that does not comply with the terms listed and linked here. The sole and exclusive venue for any lawsuit arising out of or relating to this agreement shall be in Las Vegas, Nevada. The item "BRANDTECH SCIENTIFIC VACUUBRAND 2C VACUUM PUMP MZ 2C NT CHEMISTRY DIAPHRAGM PUMP" is in sale since Friday, May 31, 2019. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Diaphragm Pumps". The seller is "mr-keyboard" and is located in Las Vegas, Nevada. This item can be shipped worldwide.