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