The Worldwide Leader In Large, Aggressive And Immediate Spill Response. ENPAC's Stinger Berm leads the industry with its wide range of sizes and capacities for large-scale spill containment. Stinger Berms feature excellent rip, tear and puncture resistance for the most demanding application or terrain. Ground Pad and TrackMat provide additional protection. •Easy to assemble snap-up design permits immediate response •Compact storage and transport •Air-lance tested containment welds for maximum product performance •Lap joint welds for maximum strength •Individual serial numbers •CAD designed and cut components •Fuel/chemical resistant containment area •Custom sizes and special materials available Options include: •Ground Pad •Tracmat •Storage and Transport Bag •Bazooka Trickle Filter •Filter System Product Number: 48-25401-BK-SU Dimensions: 25' x 40' x 1' Weight: 310 lbsSump Capacity: 7,480 gal.Regulations: EPA, SPCC, NPDES