Barksdale - 0417-421 / 8151-PL1-B-LH-ES referenced pressure switch product produced by high technology. 0417-421 / 8151-PL1-B-LH-ES became irreplaceable of foundations. 0417-421 / 8151-PL1-B-LH-ES referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. 0417-421 / 8151-PL1-B-LH-ES referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.