If the room temperature is too or the voltage is too high, the product may stop working. [Oil Anti Flow-Back Design & Environmental Design] - The gas inlet is specially designed to prevent oil form flowing back, preventing the container and hoses from being polluted; The tank has separating devices at the exhaust port to prevent oil spraying and to reduce pollution; [Easy start design With Alloy Aluminum Casing] - Motor is made from allow casing which has good heat dissipation to keep the pump running efficiently and for a longer life; It starts easily even in cold temperatures; Anti-Vibration - An electrometric coupling insert between the motor and module results in an extremely quiet and low vibration running condition. [Application]: They are extremely useful in refrigeration repair, medical appliances, printing machinery, vacuum packing, gas-analysis, and hot-forming plastics. Orders over a certain dollar amount will be insured and sent signature required. CANCELLATION NOTICE: Please be sure your address is correct before placing your order!This item is in the category "Business & Industrial\HVAC & Refrigeration\HVAC & Refrigeration Tools\Refrigerant Recovery Units". The seller is "pacificsale" and is located in this country: US. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South Africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi Arabia, United Arab Emirates, Qatar, Kuwait, Bahrain, Republic of Croatia, Malaysia, Brazil, Chile, Colombia, Costa Rica, Dominican Republic, Panama, Trinidad and Tobago, Guatemala, El Salvador, Honduras, Jamaica, Antigua and Barbuda, Aruba, Belize, Dominica, Grenada, Saint Kitts-Nevis, Saint Lucia, Montserrat, Turks and Caicos Islands, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Ecuador, Egypt, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Vietnam.