The PAO 4 provides you with remote manifold capabilities for respirators, while complying to NIOSH regulations. The POA-4 includes a safety relief valve, pressure gauge, regulator and fitting congruency needed for correct respirator functionality.
The POA's box can easily be located at any distance away from your filtration panel or Grade-D Breather-Box. The remote (POA) air manifold assembly becomes your NIOSH respirator attachment point & is limited to 300 feet (maximum) of air breathing hose at your air outlet's fitting located on the POA box.
* When ordering, please specify .25 inch Hansen or Schrader style fittings