In addition to gas analysis and instrumentation applications, Headline 200 series housings are widely used for compressed air filtration. Coalescing elements are used to filter particulate, water and oil aerosols, while the addition of a final filter with an adsorption cartridge can produce calibration quality air.. Nitrile seals are standard but others are available: Mounting Brackets are available, please see the product Data Sheets Specifications Port Size - NPT 1/2" Drain Size - NPT Brass Max. Pressure - Bar 16 Max. Temperature - ºC 120 Filter Element Codes (1) Disposable Element 25-178-xx Stainless Steel Element SS-25-178-xx PTFE Element PT-25-178-xx (1) Replace ‘xx’ with grade required, e.g. 25-178-50C, SS-25-178-25, PT-25-178-03.