Re: _WATER FILTERS_, Roland Stiner wrote to Terry May on 17 Jan 98:
  >> OTOH, the IF-10A ranked only 6th out of 8 models tested in the July
  >> CR, with the IF-100A ranked 8th.  (Both use the IR10A filter.)
 RS> 
 RS> Which parameters were ranked?  Were the first 6 ranked very close
 RS> together or was there a large difference in the performance?  Thanks
 RS> for any info you can provide.
I'm not sure exactly how they were ranked, but the factors listed were Price 
(filter and cartridge), Capacity, Organics, Lead, Taste, Parasites (yes or no 
only) and Flow Rate.  They tested (separately) Carafe, Faucet-Mounted, 
Countertop, Under-Sink and Reverse-Osmosis models.
Regarding the Under-Sink models, the first six were not ranked real close 
together.  The top-rated Rainsoft had almost a perfect score (shown by graph 
only, not by number).  The Teledyne IF-10A was rated "Good", just below "Very 
Good".  Just looking at the graph, I'd estimate the Rainsoft as having a 
score of about 95 (out of 100), with the Teledyne at about 58.
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