Hi list,
Over here in the Uk theres a portable filter set available for under £200.
This has a di inlet, filter cartridge with user replaceable cartridges, one
way valve and din outlet. A very neat unit but again it is restricted to to
6CFM throughput
I saw this unit this week when a friend of mine brought it for a cave trip
to france where the air is known not to be double filtered.
I dont know the make and supplier details but will find out and post to the
list later

David

----- Original Message -----
From: Mat Bloedorn <mbloedorn@ya*.co*>
To: <thomas@ha*.ne*>; <eanx@do*.nl*>; <techdiver@aquanaut.com>;
<wreckdiver@aq*.co*>
Sent: Monday, May 22, 2000 11:39 PM
Subject: RE: Portable filtering systems


> Thomas,
>
> Your are correct.  The NS Research filter is not much more money than the
L-Factor in initial
> outlay.  But....
>
> Better quality air?  How good do you want it?  Both filters give you
hyper-pure air both O2
> blending.
>
> The NS research has 3 filters to replace each of which is nearly the cost
of the single L-Factor
> filter.  Since the filters need to be replaced once a year anyway, well
you do the math....
>
> I'd rather replace 1 filter than three.  The L-Factor filter is similar to
the older  L-Factor
> filters that were put out by Underwater Applications, but in this case
they have stacked two
> elements one on top of the other.
>
> The way I look at it, do you want to replace one filter or three?  Keep in
mind I'm talking
> personal use here.  If your running a business with these, then you might
actually make use of the
> additional capacity of the NS research model.
>
> Mat.
>
>
> --- Thomas Tukker <thomas@ha*.ne*> wrote:
> > Mat,
> >
> > For that money you buy the best filtration system on the market... the
NS
> > Research 3 stage filter. Ever read the specs on these..?
> > http://www.gasblending.com/filters.htm , check it out.
> > I have been using these for years, never any problems. Far longer use
out of
> > these elements, better quality air and same price.
> >
> > Rgrds,
> >
> > THOMAS
> >
> >
> >
> > > -----Original Message-----
> > > From: Mat Bloedorn [mailto:mbloedorn@ya*.co*]
> > > Sent: Monday, May 22, 2000 9:17 AM
> > > To: eanx@do*.nl*; techdiver@aq*.co*; wreckdiver@aquanaut.com
> > > Subject: Re: Portable filtering systems
> > >
> > >
> > > Jos,
> > >
> > > There are several portable filter systems on the market.  The
> > > most economical one I have found is
> > > the once from L-Factor.  This is a single tower that has a single
> > > replaceable element in it.  This
> > > unit goes for just over $1100 US.  The replacement cartridges are
> > > about $80 US.  It should last
> > > the average diver about a season.
> > >
> > > I use it more for peace of mind than anything else. It means you
> > > can expect a consistent quality
> > > air no matter what air station you use.
> > >
> > > Compared to cost of the rest of the gear. it's not too expensive,
> > > but it's not definetely no cheap
> > > either....
> > >
> > > One thing to keep in mind with these things is that there is a
> > > throttle that limits the air flow
> > > to about 6 CFM.  This makes topping off or filling large doubles
> > > a slow process.
> > >
> > > Mat.
> > >
> > > --- Jos Havekotte <eanx@do*.nl*> wrote:
> > > > Has anybody experience with the use of portable filtering
> > > systems for keeping the bottles
> > > > O2-service rated?
> > > >
> > > > Does it make sens to use one in combination with normal air
compressors?
> > > >
> > > > What are the costs compared with the bennefits?
> > > >
> > > > I am thinking about the idea because I am going to the French
> > > Alps and I cannot get clean air(O2
> > > > compattible) there.
> > > >
> > > > Regards
> > > > Jos Havekotte
> > > > (Netherlands)
> > > >  ______________________________________________________________
> > > >  Gratis e-mail en meer: http://www.dolfijn.nl/
> > > >  Alles over het eindexamen: http://eindexamens.ilse.nl/
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>
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