ELEMENT DOLLINGER 49XBN395N8, BASIC NAME ELEMENT MODIFIER NAME REFERENCE MANUFACTURER DOLLINGER REFERENCE 49XBN395N8 APPLICATION OXYGEN FILTER MODEL GP-146-4140, SERIES 300 NUMBERING CSN RI 1264 ADDITIONAL REQUIREMENTS SEE NOTE: FILTER FOR OXYGEN > 99.5%, SERIES 53215. SPECIFICATION NOTES: – THE MATERIAL SHALL HAVE ENGRAVED ON ITS PACKAGING, THE NUMBER OF ITS SPECIFIED CSN INTERCHANGEABLE RELATION; – THE MATERIAL SHALL BE SUPPLIED IN INDIVIDUAL PACKAGING, IN ORDER TO AVOID HUMIDITY, DUST OR SUNLIGHT. THE FILTER ELEMENT SHALL BE SUPPLIED WITH SPECIAL CLEANING FOR WORKING WITH GASEOUS OXYGEN ABOVE 99,5% PURITY, INCLUDING THE FOLLOWING INSCRIPTION ON THE PACKAGING ‘FOR USE IN OXYGEN’.