Gram Negative Mast Rings - 100pk non-perishable Parafilm® M is resistant to

Parafilm® M is resistant to many substances such as saline solutions

Cotrimoxazole 25µg

we also offer powdered MRS Agar

home school experiments or anywhere lab facilities may be limited

Gram Negative Mast Rings - 100pk non-perishable Parafilm® M is resistant toHigh quality genuine M14 MASTRING S supplied in a great value pack of 100. These gram negative multi test rings feature 8 antibiotic impregnated tips: Ampicillin 10g Cephalothin 5g Colistin Sulphate 25g Gentamicin 10g Streptomycin 10g Sulphatriad 200g Tetracycline 25g Cotrimoxazole 25g This allows the simultaneous application of the equivalent individual antimicrobial susceptibility test discs. Use in conjunction with our bacteria cultures to test the