The Harris® HP 741-015-705-D specialty gas regulator is a single stage, stainless steel, high purity regulator with CGA 240 (corrosive gas) inlet and stainless steel 1/4 inch tube fitting outlet. It features a 316L stainless steel diaphragm and a one piece encapsulated seat with sintered filter to prevent contamination. The HP 741 is recommended for gas purity levels of Grade 6.0 (99.9999%) and higher. It is ideal for laboratory and research applications where corrosive or ultra high purity gases are being used. Is is designed for use in gas chromatography, EPA protocol, laser gas and emission monitoring.