Bull Frog's Rust Blocker Cups protects all metal surfaces in smaller enclosed spaces from rust and corrosion for a full year by forming an invisible, protective electrochemical layer. It won't harm plastics, elastomers or painted surfaces, and is both environmentally and user safe. The cup is ideal for a tackle box, gun safe or electronic cabinets, any space up to 5 cubic feet.
|Size||Protects 5 cu. ft.|
|Protects||Against Rust and Corrosion|
Determined at checkout.