Compressed Air Filter, 1 4 in (NPT), Sub Micronic, For Use with Plasma Machines ORS NASCO [Nom] 7 in Face Type [Nom] 7 in Face Type Spiral Hardness Grade Medium Hazmat NO Jan San Catalog NO Prop 65 NO Quarterly Flier NO Roughness Grade Medium Special Order NO Speed [Max] 8 Easy to read gauge tells you fire extinguisher is charged and ready for use Rechargeable fire extinguisher for multi purpose use Clear instruction label using graphics to show steps required to operate extinguisher Easy to pull safety pin Tough impact resistant metal valve Mount at point of use downstream of Motor Guard M 26 60 Filter Removes oil vapor from air using activated carbon The ultimate final filter for plasma cutters and other critical applications