Anyone use one of these diffusers?

[WyldFya]

Thinking of trying one of these out. Anyone have experience with these???


http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=9907&N=2004+113779

 

[evercl92]

cant say I have any experience with that one, but the bell diffuser I have works fantastic. fosters also sells one of those, or I got mine on ebay (even had a built in check valve).