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60mm face diameter 300 Bar DIN fitting high pressure contents indicator with push button pressure relief valve. Attaches to cross flow valve to determine cylinder pressure. For use with DIN fitting valves. For surface use only.
Used to filter air between compressor cylinder fitted with 300 Bar DIN type attachments. Maintained using service kit as shown on the right. Reduces possible cylinder contamination from air fills ensuring a ling cylinder life. Can be used with Nitrox if 02 cleaned.