The RN1 (formerly the HP 2133) is the smallest radon fan from Fantech.
Max. air flow 134 cfm and an enery efficient fan - only 20W! Fantech's HP series fans are specifically designed for radon mitigation systems. The fans are sealed tight to reduce re-entrainment risks and the motors are built to run 24 hours a day every day. This fan is approved for indoor use which is important in Canada's cold climate. 5 year manufacturer warranty. Made in Germany.