HardyDisk™ AST’s are impregnated paper disks used for Antimicrobial Susceptibility Testing (AST); also known as disk diffusion or Kirby-Bauer testing.

Each cartridge contains 50 disks that are spring loaded for smooth and reliable dispensing. The HardyDisk™ AST cartridges are designed to be fully compatible with the BBL single or multiple disk dispensers.