Fan guards from GardTec, Inc. feature wire construction for maximum cooling efficiency. Standard perforated metal or mesh fan guards inhibit over half of the airflow output by 10 inch fans, dramatically increasing heat buildup and necessitating much higher fan speeds. Gartec Inc.ís wire fan guards permit over 95% efficiency, enabling cooler industrial appliances at lower fan speeds. Donít sacrifice cooling for durability. Get the best of both worlds with GardTec Inc.ís excellent wire cooling fan guards.