Products
Counting Chambers
Petroff-Hausser Counter
The Petroff-Hausser Counter is one piece construction ensuring durability and accuracy, featuring an Improved Neubauer ruling on a single plateau. The Petroff-Hausser Counting Chamber is popular for bacteria and sperm counting and offered in a series of cell-depths(10, 20, 40, microns).

| Catalog # | Description |
| 3900 | Counting chamber only |
| 3920 | Counting chamber with case |
| 3900SP | No grid with case |
| 3901 | 10 microns |
| 3902 | 20 microns |
| 3951 | 10 microns (no grid) |
| 3952 | 20 microns (no grid) |