Check the listing for details. Vintage Keychain BERMAN control valve +3D Crystal Glass Laser Etched Holographic. Condition: Used. Listed at 54.99 USD. This vintage keychain is a unique find for collectors and hobbyists alike. Branded BERMAD and featuring laser-etched holographic 3D crystal glass, this item is a must-have for anyone interested in pressure reducers, valves and manifolds, as well as hydraulics, pneumatics, pumps and plumbing. Made in Israel, this keychain and laser-etched holographic 3D crystal glass is a great addition to any collection or a functional accessory for everyday use. BERMAD CS Ltd. is a developer and manufacturer of various water and flow management solutions. The company was founded in 1965 as a producer of irrigation systems mainly for agriculture. It's product offering includes a variety of industries, including filtration systems, reservoir management, air valves, water meters and fire protection solutions. Bermad products are marketed in 70 countries through a number of subsidiaries and distributors around the world, including subsidiaries in the United States, the United Kingdom, Australia, Brazil, Mexico, China, France, Singapore, Italy, Spain and India. https://www.bermad.com/ https://en.wikipedia.org/wiki/Bermad Rare things. They were not made for sale, but for corporate use.