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John, you can get these from MDE or UWI in the UK. Fit the appropriate pressure maintaning valve, pressure gauge and din fitting either end. Provided you maintain the filter correctly you can use this to provide double filtered air for nitrox. Martin In your message dated Tuesday 12, September 1995 you wrote : > About 8 to 9 years ago I was in a dive shop in north London (UK) and I came > across some portable filters that you could put between your tank and the > compressor. Basically one end attached to the hose of the compressor and > the other end to the tank valve. This did not replace the filter already in > the compressor but as air quality can vary so much between dive shops it > gave you some peace of mind. You never know until after you have got your > cylinder and you take the first breath whether it is dodgy or not and the > cost of having to get your cylinder and valve cleaned to get rid of the > taste and smell. > Does anybody know who made them and if they are still making them. Correct > me if I am wrong but would this then not allow people to get their Nitrox > cleaned cylinders filled from compressors and air shops that do not provide > Nitrox. > If anybody knows where to get them please drop me a line. I have a friend > who is an engineer who would be willing to make a few up if we cannot find > a supplier. > > JOHN > > John M. Gibbons 0171-793-1101 Home > Univ. London School of Pharmacy 0171-582-6561 Fax > Dept. of Pharmaceutical Chemistry 0171-753-5800 Wk ex 4882 > jgibbo@cl*.ul*.ac*.uk* or > jgibbo@cu*.ph*.lo*.ac*.uk* > -- > Send mail for the `techdiver' mailing list to `techdiver@terra.net'. > Send subscription/archive requests to `techdiver-request@terra.net'. > -- --------------------------------------------------------------------------- | Martin Smith deep blue diving ltd EMail martin@de*.de*.co*.uk* voice 01344 421545 fax 01344 862231 | | Mail sent via Demon Internet - | ---------------------------------------------------------------------------
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