SILVERHOOK Radiator Flush Cleaner Rust Remover Deposits Coolant System 500ml x2

Silver Hook Radiator Flush Cleaner 2 x 500 ml. Removes rust and sludge, clears coolant channels, safe for rubber hoses and all metals. Universal fit for all radiators. Easy 10-minute engine run, drain, and refill. New, 2-pack value.

eBay