Ametek Lamb Motor 2 Stage G2K Flo-Thru (5.7") Plastic Housing #119402-00The Ametek Lamb G2K two stage flo thru motor delivers strong, sustained suction in a 5. 7" plastic housing a factory spec replacement built to the same tolerances as the original unit it replaces. Two stage design generates higher suction lift than single stage motors, ideal for demanding commercial applications Flo thru airflow configuration routes exhaust through the motor for continuous cooling during extended operation 5. 7" plastic housing keeps