Quoted from ForceFlow:http://www.harborfreight.com/18-lb-vibratory-bowl-with-liquid-drain-hose-96923.html
That one has lasted for a while. Be sure to use the 20% off coupon.I add liquid polish, not wax.
Agree with the 18# harbor freight recommendation with 20% coupon.
Use Scratch out less than $4. Anything more expensive is not worth it.