[A] DELUXE OXYGEN FINE ADJUSTMENT VALVE WITH ROTAMETER (GI-77)
[B] SUPER DELUXE OXYGEN FINE ADJUSTMENT VALVE WITH ROTAMETRE& HUMIDIFIER BOTTLE GI-77B)
  Light weight brass body (Chrome plated).
  Unbreakable polycarbonate tubes.
  Safety pressure gauge: 3500lbs/in2/250 kg/cm2
  Flow rate calibrated in 1 Litre installments between 1 and 15 Litres/ Min.
   Large size heavy duty powder coated knob/PLASTIC KNOB
  INLET connection thread bull nose type: B.S.P 5/8 14RH
  OUTLET connection thread :B.S.P 1/4 19RH

[A] DELUXE OXYGEN FINE ADJUSTMENT VALVE WITH ROTAMETER (GI-77)
[B] SUPER DELUXE OXYGEN FINE ADJUSTMENT VALVE WITH ROTAMETRE& HUMIDIFIER BOTTLE GI-77B)
  Light weight brass body (Chrome plated).
  Unbreakable polycarbonate tubes.
  Safety pressure gauge: 3500lbs/in2/250 kg/cm2
  Flow rate calibrated in 1 Litre installments between 1 and 15 Litres/ Min.
   Large size heavy duty powder coated knob/PLASTIC KNOB
  INLET connection thread bull nose type: B.S.P 5/8 14RH
  OUTLET connection thread :B.S.P 1/4 19RH