NO. 3371 HYPRO JET AGITATOR: Made of tough high impact molded plastic. Required for effective agitation of spray tanks. If properlyinstalled will help keep spray materials from settling out. Low pressure unrestricted discharge reduces foaming. Supplied with three nozzle sizes. 1/8", 3/16", 5/32" and spacer ring. MIN. requirement for each jet agitator is 2 GPM -- preferably 3 GPM.