Den Hartog is a family-owned business that uses innovative molding and metal fabrication to create leading products. Since 1976, Den Hartog has been committed to providing quality tanks and being “Always at Your Service”. Den Hartog’s most popular brands include Ace Roto-Mold, Dual-Line, Aquifer, Sowjoy, and many more!
Open Top Tanks are selected for collection systems, temporary liquid storage or as secondary containment for vertical tanks in indoor or outdoor stationary installations. Tanks are manufactured from medium- or high-density polyethylene with U.V inhibitors. Tank walls are translucent for level viewing and equipped with gallon indicators.