4" Surface Bolt; Concealed Screw; Heavy Duty; Black Finish charlotte The impurities collect at the

The impurities collect at the bottom of the device and can be flushed through the integral drain shut-off valve

Type of Adapter: Fitting / Street

Width: 3 in

Certified to NSF 14/61 standards

Humidity-alert detection: Preset at < 20% RH or > 70% RH (User adjustable)

4" Surface Bolt; Concealed Screw; Heavy Duty; Black Finish charlotte The impurities collect at theDeltana is the architectural hardware manufacturer with a proven record for exceptional service and quality. Deltana inventories America's largest selection of architectural and door hardware in over nine fine finishes made from solid brass, zinc, aluminum, steel and stainless steel. 4" 4" Surface Bolt Contemporary Design 4"x 5 8" Concealed Screws Improve Security and Appearance Solid Brass Construction Limited One Year Mechanical and One Year Finish