TEST TUBE PH PEN GLASS 9X1 3/3X1IN 2.3OZ ,Each

Details

Test Tube Ph Pen Glass 9X1 3/3X1In 2.3Oz^ Test Tube pH Pen Glass, Glass probe EPA compliant for labs and wine, Penetration probe for food/soil, Flat Tip probe for meat, leather, paper, skin, and other surface pH measurements, Dimensions: 9x1 3/8x1in, Size