Description The Emco A1004EVR-2421D1A Multi-Port Spill Containers are Phase I EVR approved and include the following features: 42-inch steel diamond plate lid with 16-inch tank bung spacing - Optional diamond plate lid in light weight aluminum 6 cam-locks and dual lid handles for easy lock-down and removal 8-inch observation port with water-tight seals All mounting bolts non-corrosive stainless steel Manhole rim channel with D-seal for water tightness integrity between lid and rim Manhole available with 12-inch or 18-inch galvanized skirt Nominal spill container capacity of 5 US gallons Cast iron spill container base with 4-inch NPT thread connection - Requires no face seal adapter Powder coated, heavy duty, cast iron lid and ductile iron plow ring, exceeds DOT H-20 loading - Optional lid in composite material Lid with triple wiper seal HDPE primary spill container bellows Drain valve with filter or plug option Compatible with most water shrouds and boot kits