Description EMCO A1004EVR-317A Replaceable direct bury spill containers feature a poly or stainless steel primary container. The A1004EVR Series spill containers are Phase I EVR?Certified under Executive Order VR-105. Key Features Nominal capacity of 5 US gallons 4-inch NPT thread connection, requires no face seal adapter EZ-Gage or float sensor for interstitial monitoring of secondary containment Lid w/triple wiper seal