Dwyer VFA-8-SS Visi-Float® Acrylic Flowmeter is an accurate and reliable flow measurement solution. It is suitable for use with compatible gases and liquids and can be mounted vertically. The flowmeter is made with high-quality materials such as acrylic plastic body, nickel-plated brass or stainless steel components, and various floats depending on the range. It has a pressure limit of up to 100 psig without a valve and 100 psig with a valve. It features a 1/8" female NPT process connection, with some ranges offering additional connection options. The VFA scale is 2" long, while the VFB scale is 4" long.