The DAD-504 is engineered to mount directly onto an existing DEVILBISS® DAD-500 desiccant air dryer. It provides the required filtration and connection point for use with a DEVILBISS® breathable air hose and the Air Vizor™ supplied-air breathing system.

DEVILBISS® Air Vizor™ Desiccant Dryer Retrofit Kit
Features a 1/2 in. FNPT connection and is rated for up to 150 psi. Specifications include a charcoal filter with 1/2 in. FNPT air inlet and outlet, a 75 cfm airflow capacity, 150 psig maximum pressure, and a maximum operating temperature of 150°F. The flow-through regulator includes 1/2 in. FNPT flow-through ports and 1/4 in. FNPT regulated ports, delivering up to 28 cfm with a maximum pressure of 300 psig and a maximum temperature of 175°F. Designed for use with the DAD-PRO™ DAD-500 3-stage desiccant air dryer system.