Tarter Tuff Tank products are recycled from 100% low-density polyethylene materials. Because they are fashioned from top-grade recycled materials, they are the best-priced tanks of their quality on the market. Impact-, heat-, cold- and U.V.- resistant, these tanks can withstand years of outdoor use. These tanks will not discolor over time, but they are paintable. Edges are smooth to provide the greatest safety for humans and animals. Available with bulk head adapter plug.