These units are a Style B Skid Tank (full length skid) with a dike that will hold 110% of the tank's contents.

These tanks have four 2" and one 4" openings on top plus 1" drain - no gauge opening in head.

Model 550UL (550 gallon) has four 2" openings and a 4" opening for the emergency vent.

Model 1000UL (1000 gallon) has four 2" and one 6" top opening. Both tanks and dikes are U.L. listed. Rainshields available. Red enamel finish is standard (white available).