A systemic gram positive ring device, suited towards Gram Positive organisms, carrying 8 antibiotic impregnated tips allowing the simultaneous application of the equivalent individual antimicrobial susceptibility test discs
A paper ring, 65mm in diameter, with eight projecting arms
Each arm is impregnated with a different antibiotic identified using a letter from the key
Pack of 10 Mast RingsAntibiotics include:Chloramphenicol ‐ 25µg
Erythromycin ‐ 5µg
Fusidic Acid ‐ 10µg
Oxacillin ‐ 10µg
Novobiocin ‐ 5µg
Penicillin G ‐ 1 unit
Streptomycin ‐ 10µg
Tetracycline ‐ 25µgAlso available as a pack of 10 Mast Rings (B8A18715)