
Pre-prepared discs impregnated with defined concentrations of antibiotics or other antimicrobial agents, used in school and college microbiology labs for sensitivity testing, antimicrobial activity studies, and applied practical work.
P |
| Penicillin G 1 Unit |
| Penicillin G 10 units |
| Penicillium roqueforti - live |
| Pseudomonas fluorescens - live |