This one. I have it and its great.

RooR Bongs - Mini Master 18.8 --- Pipes and Bongs Superstore - Weedcity.com

do NOT let the size fool you, it will knock you on your ass. crushed ice is great in it
fastforyou84 Reviewed by fastforyou84 on . I have $150-175 Budget... Looking for a RooR... Recommendations? I really don't know what to get. There are too many choices. What do you recommend? I think I am going to order it from everyonedoesit.com (hopefully they can deliver it to my school w/ a PO BOX) Rating: 5