air curtain 1.Installation heigh 2.3-3m 2.aluminum shell air curtain 3.with remote control and two speed 4.90,100,120,150 Service: 1. The free consultation and provides the product material, helps you to carry on the design proposal to the use environment, selects the most appropriate type and installs the plan. 2. The quality three packages, the complete machine maintains for a year, the product because of the quality question, in three months the application replaces newly machine. 3. The post-sale track service, the telephone pays a return visit, to users any expectation and the request, we all as necessary provides the service, lets you not have the extra worries. 4. If has the engineering data change, not separate informs even slight. contact: [email protected]