Marking: Continental HR4-12 SAE 100R4 3/4" (19 MM) 350 PSI (2 .41 MPa) MSHA IC-233/0 2Q18 MADE IN CANADA


HR4 is a low-pressure, high-temperature return line or suction line for petroleum- and water-based hydraulic fluids. It has a vacuum rating of 25 in Hg. HR4 has half the bend radius of the typical SAE 100R4.


  • Meets or exceeds SAE 100R4
  • Inner tube: NBR (Nitrile)
  • Black CR (Polychloroprene) cover
  • Temperature range from -40°C to 135°C / -40°F to 275°F
  • Handles high temperature
  • SAE J1942/U.S. Coast Guard
  • 1/2 Bend
  • 4:1 Safety Factor