No-Pour Agar containers with .22 Micron Air Filter

69mm diameter No_pour tek agar containers. PP5 container with a self healing injection port fitted.

Simply add your nutrient rich agar and sterilise.

Once the lid is sealed the tamper proof tab will remain in place until the seal is broken. Optionally you can use parafilm or micropore around joint to ensure no unfiltered air exchange is possible if you are reusing the tubs for subsequent expansions.