The Gasser/Shaker shown is very easy to use. Variable amplitude controls, It has a force of 50G's. It moves 60 times a second. 1/8 inch vertically. Made of quality materials. Small foot print, save lab space, suction cup feet so it does not wander. 2 ports, 1 for gas & 1 for optional pressure gauge. We have made many custom lab gasser/shakers for manufacturing whip cream & foam products. Being able to processing 1 to 12 cans per minute. Tell us what your requirements are & call us to discuss your project. *Price is for the single can unit as shown with a Clayton filling adapter.