LCE (exhaust) and LCS (supply) are high capacity belt driven propeller fans rated from 3,000 to 40,000 CFM, with static pressure capability up to 5/8" w.g. Wall mounting provides an easy, economical installation. Belt driven fans provide large volumes of air at low fan speeds and low noise levels and afford quick, easy performance adjustments. All necessary accessories are available to meet any need or specification.