MAPNER - SEM 11 TRC GCA referenced Blower product produced by high technology. SEM 11 TRC GCA became irreplaceable of foundations. SEM 11 TRC GCA referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. SEM 11 TRC GCA referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.