HardyDisks* AST Piperacillin/Tazobactam TZP-110 5x50disk^ HardyDisks* AST Piperacillin/Tazobactam, TZP-110, impregnated paper disks used for Antimicrobial Susceptibility Testing (AST), also known as Kirby-Bauer testing, fully compatible with the BBL single or multiple disk dispensers, 5 x 50 disks
