The RTHD-461S Vertical Touchless Automatic Hand Dryers vertical design allows users to place their hands into the dual front and back air outlet to quickly and easily dry hands. Dry time less than 15 seconds. Dual front and back air outlets for faster drying. Dual layer filtering system protects users from air particles. Dual installation options-cord & or hard wire connection. Durable ABS Plastic construction. Washable Dual Layer Filtering System which provides protection from dust and other air particles. Auto ON/OFF Sensor-Touchless operation for more hygienic drying. Nose Level 78-82 dB and Safety Approvals; MET & IP22.