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Stop rust before it begins to form
Evapo-Rust™ Rust-Block™ prevents rust from forming on your tools, hardware, and garden equipment. Water-based, non-toxic formula inhibits rust from forming on all ferrous metals. Rust-Block is non-corrosive, non-flammable, and biodegradable, so you simply rinse used solution down the drain. Treated products dry without retaining any tackiness. Designed specifically for indoor use. For maximum effectiveness, keep treated items away from water. 16-oz spray bottle. USA made.