This economical self-evacuating oil drain is perfect for a smaller shop. It is built with the quality workmanship only JohnDow oil drains can offer.; Features include: Auto-Check Technology for easy and automatic drain evacuation; 18-gallon steel tank; 16" diameter funnel; 4-caster design providing superior stability and mobility; Oil- and chemical-resistant 3" casters for longer life; Pressure relief safety valve; OSHA-friendly labeling; 6’ discharge hose