Sterile bags for microbiology are used for the homogenizing and analysis of any solid sample, and especially adapted for food, medical, veterinary and environmental samples. Filter bags are preferred because the filtration of the sample is made during the blending, therefore instant and sterile. Adapted to all samples, from 1g to 400g. Adapted to all lab blenders. Sterile and approved for food contact. Certified ISO 9001-2000.