Fisher 670 Series panel-mounted regulators are compact, rugged units used primarily for manually loading gas regulators. Applications include any control device that needs to be manipulated from a remote location.

Fisher 67C Series direct-operated regulators and filter regulators provide constantly controlled, reduced pressures to pneumatic and electropneumatic controllers and other instruments.

Fisher 67D Series pressure reducing regulators and filter regulators deliver constant reduced pressure of gaseous fluids to pilot-operated controllers and other pneumatic instruments.