The Object Of Purchase Is: 1. 3D Shaker With A Flask With A Fixed Platform, With A Set Of Sampling Clamps. -1 Pieces. 2. Acid (Ph Meter) Measuring Device -1 Pieces. 3. Acid (Ph Meter) Measuring Device With Electrode And Stand. -1 Pieces. 4. Constant Temperature Incubator -1 Pieces.