my ebaying skills are failing me,,looking for a 25lpm m-tank reg but having trouble finding one,the one i have now from my o2 provider is getting up to like 17lpm,do you think its even worth it to go to 25?if so does anybody have a link to one theyve seen?i bet chuck has plenty of links ;)

To answer your second question, Yes. For ME the jump from 15 to 25 lpm was like night and day when used with the right mask or mouthpiece to get truly 100% O2 with NO room air.

I just ordered mine retail for about $40. and got it in 4 days using Google to find a source.

I'll bet with you that Chuck has sources at his finger tips  ;)

Marc

Edit to add: I just Google'd it and found these guys. I have no idea how good they are so you will need to check them out - just found them in 60 seconds flat. Personally, I would spend the extra few bucks and buy the 60 lpm version because I discovered my magic point is around 45 lpm for a super fast CH killer.

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thanks marc i appreciate that,,im also ordering one of the optimask thru the ch store to get rid of my er room special

My supplier didn't have a 25 lpm available, so they gave me two M tanks with 15 lpm regs and a "Y" connector, so I actually can go to 30.  I think I'm with Marc though, if I was to buy one for myself I think I would go ahead and get a 60 or even a demand valve.

Jerry