QualiTru® 316L stainless steel sanitary ports are 3-A authorized and manufactured under rigorous quality control standards in an ISO 9001 certified facility. They are designed to work in awide variety of locations including processing lines, silos, tanks, and milk tanker trucks. All ports allow easy access for raw or sterile process monitoring of microbial contamination as well as line and tank sampling. They allow for samples to be drawn a single time from each channel, dramatically reducing the risk of cross-contamination. Includes one stainless nut and one dust cover. Sampling membrane and other consumables sold separately. FDA and PMO Appendix N compliant.