This top-of-the-line self-evacuating drain is built with superior quality and performance in mind.; Features include: Auto-Check Technology for easy and automatic drain evacuation; 25-gallon heavy-duty steel tank; Sight glass gives a quick indication of fluid level; Molded poly tool tray for convenient storage; 4-caster design provides superior stability and mobility; Oil- and chemical-resistant casters for longer life; 16″ funnel with expanded metal screen; 360˚ swivel funnel for easy positioning; 6′ quick connect discharge hose; Pressure relief valve for added safety