For exchange: KM-35MS oxygen mask Apr 11, 2005 15:48:56 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Red Pilot on Apr 11, 2005 15:48:56 GMT -5 Hi guys,Well I have one spare KM-35MS oxygen mask. It's just like the one pictures on my site with 3-pin plug for microphone. I'd like to exchange it for some gear that I do not have...Cheers,Alexei