Revalco - ESI48 250A11 referenced product produced by high technology. ESI48 250A11 is the result of a far more developed technology compared to similar regular products. ESI48 250A11 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. ESI48 250A11 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.