[Features] Environment Standards: RoHS compatible product; Finish: Hair line; Air circulation area: 13.6 inches (3,700 mm2); Features: Made of highly durable stainless steel, it can be used in a variety of places such as marine and residentials. Note: Do not put fingers into the air circulation. The cross section of the material may cause injuries. Weight: 5.3 oz (154 g); Material: Stainless steel SUS316.