Easy-to-use, reliable test kits are available with Neutralizing Buffer, Buffered Peptone Water, Letheen Broth, or Butterfields Solution, in a 4 ml or 10 ml fill

Butterfield's solution is recommended for the dilution and enumeration of microorganisms in water, food, dairy, and pharmaceutical products.

Pre-filled with 4 ml or 10 ml Butterfield's Solution. Shelf life is 18 months. Made in USA.

They come with a small polyester tip attached to a quick-turn, leak-resistant cap to ensure optimum control.