| Malachite Green (10 x Concentrate) | 05055914708998 | Class A | |
| Mallorys Haematoxylin In Phosphotungstic Acid | 05055914715163 | Class A | |
| Mallorys Haematoxylin In Phosphotungstic Acid | 05055914749380 | Class A | |
| Martius Scarlet Blue Stain Kit (MSB) | 05055914709155 | Class A | |
| Martius Scarlet Blue Stain Kit (MSB) | 05055914709162 | Class A | |
| Martius Scarlet Blue Stain Kit (MSB) | 05055914709179 | Class A | |
| Martius Scarlet Blue Stain Kit (MSB) | 05055914709186 | Class A | |
| Martius Yellow (Sat. Alcoholic Solution) | 05055914709216 | Class A | |
| Martius Yellow (Sat. Alcoholic Solution) | 05055914749397 | Class A | |
| Martius Yellow (Sat. Alcoholic Solution) | 05055914749403 | Class A | |
| Martius Yellow Sat. Alcoholic with 2% Phosphotungstic A | 05055914709278 | Class A | |
| Martius Yellow Sat. Alcoholic with 2% Phosphotungstic A | 05055914749410 | Class A | |
| Martius Yellow Sat. Alcoholic with 2% Phosphotungstic A | 05055914771824 | Class A | |
| Masson Fontana Stain Kit | 05055914709285 | Class A | |
| Masson Fontana Stain Kit | 05055914709292 | Class A | |
| Masson Trichrome (Light Green) Stain Kit | 05055914709308 | Class A | |
| Masson Trichrome (Light Green) Stain Kit | 05055914709315 | Class A | |
| Masson Trichrome (Light Green) Stain Kit | 05055914709322 | Class A | |
| Masson Trichrome (Light Green) Stain Kit | 05055914709339 | Class A | |
| Masson Trichrome (Methyl Blue) Stain Kit | 05055914709346 | Class A | |
| Masson Trichrome (Methyl Blue) Stain Kit | 05055914709353 | Class A | |
| Masson Trichrome (Methyl Blue) Stain Kit | 05055914709360 | Class A | |
| Masson Trichrome (Methyl Blue) Stain Kit | 05055914762419 | Class A | |
| Mayer HTX | 05055914751987 | Class A | |
| May Grunwald Stain | 05055914709452 | Class A | |
UDI Compass