1-004-12C ETHANOL SHELD, 2oz.

Multi-functional fuel stabilizer proven to prevent ethanol-related problems while stabilizing fuel up to 3 years. Ultra-Concentrated. For 2 and 4-cycle engines. Protects all engine components from corrosion / varnish due to ethanol blended fuels. Envelopes water so it passes safely through the fuel system and does not bond.