Bulletin #03 of 2004 03 of 2004 December 8, 2004 Products Affected All Kirby Morgan® SuperLite® Helmets and KM 37/57 Bulletin_3of_04QuadValve.pdf
Bulletin #01 of 2004 01 of 2004 July 30, 2004 Products Affected Any Kirby Morgan® helmets or masks incorporating a side block or manifold block, or separate manifold block assembly. caution_1_of_2004.pdf
Bulletin # 09 of 2009 9 of 2009 December 7, 2009 Products Affected P/N 510-690 Oral Nasal Kirby_Morgan_Bulletin_9_Of_2009_New_Product_Oral_Nasal_510-747.pdf
Bulletin #01 of 2007 01 of 2007 March 1, 2007 Products Affected All Kirby Morgan® Helmets and BandMasks® Safety_01_of_2007.pdf
Bulletin #03 of 2007 03 of 2007 June 4, 2007 Products Affected 505-047 Male Waterproof Assembly, 505-065 Male Waterproof Assembly, SL27®, 515-024 Communication Assemble with MWP Bulletin_3_of_2007_Longer_Waterproof.pdf
How To: Conversion Kit, 455 Regulator for KM 37, KM 57, SL 17C or SL 27® Helmet Your browser does not support iframes, but you can visit
Communications Module for Posts Kit 525-420 Communications Module for Posts Kit 525-420-Communications-Module-for-Posts-Kit.pdf