Bull Frog's Rust Blocker Emitter Shield protects all metal surfaces in larger 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 shield is easy to hang in a gun cabinet, storage locker, tool chest, etc. Protects up to 100 feet,
|Size||Protects 100 cu. ft.|
|Protects||Against Rust and Corrosion|
Determined at checkout.