Prestone HD300-16 Command Extender Liquid Coolant Additive, 16 fl. oz.

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Feature

Premixed liquid chemical additive for heavy duty cooling systems using Extended Life Coolants
Inhibits rust, corrosion, and scale formation
Replenishes lost corrosion protection
Protects all cooling system metals
Complete wet liner protection

Description

Prestone Command Extender Liquid Coolant Additive is a premixed liquid chemical additive for heavy duty cooling systems using Extended Life Coolants. This additive inhibits rust, corrosion, and scale formation, while also working to replenish lost corrosion protection. Also offers complete wet liner protection and protects all cooling system metals.