|  | 6890N GC "No problems in routine use, no after-sales concerns, very reliable. Higher maximum split flows would be useful."
4 June 2004 | - Ease of use3 out of 5
- After sales service3 out of 5
- Value for money3 out of 5
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| | 6890N GC "Only a few minor gripes about design eg access for column and injector nuts. No problems with operation or reliability, solid workhorse, no problems with technical support (in UK)"
1 March 2004 | - Ease of use4 out of 5
- After sales service4 out of 5
- Value for money4 out of 5
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