Ellos, I like to buy this RO/DI unit, do you think is good? :D

[CZ08]

Ellos everybodys

I like to buy this Ro/Di unit for my 35g and will have onlies 1
peacock mantish.

RO SYSTEM 50 GPD 4 STAGE REVERSE OSMOSIS WITH DI UNIT
FREE TDS METER

http://cgi.ebay.co.uk/RO-SYSTEM-50-...39:1|66:2|65:12|240:1318&_trksid=p3286.c0.m14

What is everybodys opinions on this great or not so great devices???

Thanksyou for lookings and may you buy more fishs