No Plumbing Required. Encon Safety Products is the industry leader for self-contained eyewash stations. Designed for locations where plumbed water is not readily available, Encon’s Gravity-Fed and Cartridge-Fed Eyewash Stations are easy to install, easy to maintain and certified to the ANSI/ISEA requirement for emergency eyewash equipment. The Self-Contained Pressurized family of stations can serve double duty as an eyewash and a drench station, the perfect solution for a plant turnaround. The 304 Stainless Steel pressurized vessels are ASME rated and CRN approved for use throughout North and South America. Let us help you find the right solution for your facility.