Illustration of the human digestive system. Nice colorful poster, in practical laminated material, which can be written on.
Dimensions: 50 x 67 cm.
English text.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Iron test vials.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Alkalinity test vials.
Used for measuring the temperature of liquids, air, and other materials. ScienceWorkshop Version.
Vials contain a vacuum-sealed color forming reagent to test a variety of water quality parameters. 30 individual Total Hardness test vials.
Set of 5 clear PVC taps for water flow visibility when designing and constructing pipe networks. For use with an Absolute Pressure Sensor.
