3A1149F – HFR Discrete Gateway Module Kits, InstructionsHome → Products → 2K ( MMD ) Meter Mix And Dispense → 2K ( MMD ) Meter Mix And Dispense Systems → Graco HFR Hydraulic Fied Ratio Meter Mix And Dispense System → 3A1149F – HFR Discrete Gateway Module Kits, Instructions 3A1149F - HFR Discrete Gateway Module Kits, Instructions