KNOLL - impeller for tg31-85/05200 referenced product produced by high technology. impeller for tg31-85/05200 became irreplaceable of foundations. impeller for tg31-85/05200 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. impeller for tg31-85/05200 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.