The HXL400WV heavy-duty, water-cooled pump from Masport is designed for septic pumping use. It is capable of airflows up to 400 cfm and 25 inches Hg continuous duty for vacuum, suitable for tank sizes in the 2,500- to 4,500-gallon range. Carbon fiber vanes and a solid rotor ensure quiet operation and reduction of wear on the cylinder, extending pump life. 800/228-4510; www.masportpump.com.