The Neogen® Filter test system utilizes Filter membranes with 2 mL ampouled media to enumerate and detect a wide variety of microorganisms in liquid samples.

Neogen Filter, white (6550) – 100 mL sterile disposable membrane filtration unit used for testing liquid samples. The membrane is white with dark gridlines, 56 mm in diameter, with a pore size of 0.45 µm.

Neogen Filter, black (6555) – 100 mL sterile disposable membrane filtration unit used for testing liquid samples. The membrane is black with light grid lines, 56 mm in diameter, with a pore size of 0.45 µm.

Neogen Filter, black (6556) – 100 mL sterile disposable membrane filtration unit used for testing liquid samples. The membrane is black with light grid lines, 56 mm in diameter, with a pore size of 0.8 µm.