The Flamcovent Clean Smart air and dirt separator from Nexus Valve removes even the smallest microbubble and minuscule dirt particle from system water. The 360-degree rotating connection and compact dimension enables easy installation, even when space is limited. It offers flow velocities up to 9.8 feet per second, a max working pressure of 145 psi, and working temperature of between 14 and 248 degrees F. It is available in various sizes up to 2 inches and is made of brass and high-grade plastics. An insulation kit is available. Four neodymium super magnets are incorporated into the unit, and it offers low flow resistance and low loss of energy. Larger 2.5- to 24-inch sizes are available. 888-900-0947; www.nexusvalve.com.