Versatile Ultra-OverPacks offer the highest UN and DOT certifications available The Ultra-Overpacks are the highest performing overpack poly drums available. The polyethylene construction offers excellent chemical resistance and the “no-tools-required” closures make it ideal for spill response, clean up at contaminated sites, and the collection and transport of soiled sorbents. 20 Overpacks • Complies with UN Packaging Group 1 (X-Rating) and are certified for use as DOT Salvage Drums, 49 CFR 173.3 (c). • The highest performing poly overpack drum on the market! • Polypropylene construction offers excellent chemical resistance, including acids, caustics and corrosives. • Convenient, "no tools required" closures are perfect for clean-up and spill response activities. • Nestable design and low tare weight allow convenient storage and reduced transportation costs. • Drums have built-in slots — Use with zip ties for added tamper resistance. • Lid can be tightened using built-in broom handle or wooden beam (2x4) slots. • Molded-in foothold provides additional leverage point.