Spare Bubble-O-Meter Cap

Product Details

• Spare meter cap
  • Small is for the Micro Meter
  • Medium is for the 1-10 ml & 1-10-100 ml Bubble-O-Meter
  • Large is for the 1-10-500 ml, 10-100-1000 ml, 2,000 ml and 4,000 ml Bubble-O-Meter