I also use the Pari LC Plus for TOBI. here's a link to what they say about using TOBI in the Pari LC Plus, why it's recommended, etc:
<a target=new class=ftalternatingbarlinklarge href="http://www.abouttobi.com/patient/commonlyaskedquestions.html#Question1">http://www.abouttobi.com/patient/commonlyaskedquestions.html#Question1</a>
this link is kinda cool too; you can watch a video of how the Pari LC works, and it also gives some facts about it
<a target=new class=ftalternatingbarlinklarge href="http://www.pari.com/products/PARILCPlus.html">http://www.pari.com/products/PARILCPlus.html</a>
hope that helps!
Debra