Prestone Command Supplemental Coolant Additive is formulated to protect coolant systems from corrosion by replenishing inhibitors, prevent rust and scale buildup and control pH balance with chemical conditioning, protecting all engine and cooling system component metals. Prestone Command Extender Liquid Coolant Additive, a corrosion inhibitor recharge, is a premixed liquid chemical additive formulated to replenish lost corrosion protection; inhibit rust, corrosion and scale formation; provide wet liner protection; and protect all cooling system metals. Both additives are suited for heavy-duty cooling systems with extended service interval technology.
Prestone Products Corp., www.prestonecommand.com
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