The E5 non-metallic product line has been enhanced to include a Drum Kit assembly and Air Filter / Regulator. The 100% assembled, E5 non-metallic Drum Pump is perfect for transferring liquids from 55-gallon drums. The incorporated Air Filter / Regulator removes moisture and airline contaminants to extend pump service life. It also makes controlling and regulating the drum pump safe and simple, right out of the box.