Donaldson Gas Turbine Systems (GTS) operates globally, producing air inlet filter systems and related air inlet products that protect turbine engines from airborne contaminants. GTS began designing and producing gas turbine inlet systems in the late 1960's and in 1976 became well known for innovative self-cleaning filter technology, dubbed Huff 'n Puff. Over the years, this technologyhas evolved into smaller systems with higher efficiencies. The company's strategy is to provide high quality filtration and silencing products to gas turbine OEM's and end users, at competitive prices, everywhere in the world.\r\n\r\nDonaldson Gas Turbine Systems is headquartered in Minneapolis, Minnesota, USA, designs and manufactures inlet filter systems (self-cleaning & static), and a full line of replacement filters (cartridge & panel and pre-filters) in response to the needs of customers the world over. Engineering centers are located in Minneapolis, Minnesota; Leuven, Belgium; Tokyo, Japan; and New Delhi, India.