The Macurco WHK-1 is a weatherproof enclosure that provides means to protection-mount all Macurco 6-Series gas detectors in non-hazardous locations. By weatherproofing a gas detector, the unit is able to monitor gas concentrations while being protected from falling debris and indirect spray. The Macurco WHK-1 is designed with sufficient airflow for effective gas detection through multiple vent plugs. Includes Enclosure with cover, gasket and screws Strain relief, nut and seal for wiring exit hole A full size drill hole position template Nylon vent plugs (5)