Vibco - VS-380 referenced Pneumatic Vibrator, 725 lb, 4600 vpm, 80psi product produced by high technology. You can ask all the codes and references except VS-380 too. It distinguishes with price and quality among the similar products. It produced result of tests of laborotory for years. VS-380 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.