Check the listing for details. 100gal Stock Tank Liner for Horse Stock Tanks. Condition: New. Listed at 21.99 USD. Durable, food safe plastic liner for a 100 gallon (approximately 4ft x 2ft x 2ft) agricultural stock tanks. Used to simplify and expedite stock tank cleaning, maintain clean drinking water and aid in reuse of cracked tanks. This package include 2 Rugged Stock Tank Elastic Bands to ensure all excess liner is tightly secured to the side of the tank. Package Contents: 2 Rugged Stock Tank Liners and 2 Rugged Stock Tank Elastic Bands. for 100 gallon agricultural stock tanks. This stock tank liner fits all major brands offering 4 ft stock tanks in both polyethylene plastic and galvanized steel including Agrimaster, Behlen Country, Century Products, County Line, Hastings, Rubbermaid, Tarter. This liner fits the Rubbermaid 100 gallon stock tank. This product is BPA free.