"Iso-Heet" Fuel System Anti-Freeze

STA-BIL Iso-Heet Fuel System Anti-Freeze Iso-Heet by STA-BIL is a reliable fuel system anti-freeze and moisture eliminator designed for all 2- and 4-cycle engines. Formulated with isopropyl alcohol, Iso-Heet protects engines and fuel systems from water contamination, freezing, and performance loss. Key Benefits Anti-freeze protection: Prevents fuel lines and carburetors from freezing in cold weather. Moisture elimination: Removes water and condensation from the fuel system to prevent corrosion and poor combustion. Safe for fuel systems: Harmless to seals, gaskets, and materials commonly used in modern engines. Compatibility: Works with all 2-cycle and 4-cycle engines and any oil/gas mix. Methanol-free: Uses isopropyl alcohol instead of methanol for effective performance. Performance boost: Helps maintain smooth engine operation and reliable starts. Usage Simple to use — follow the complete directions on the bottle. Ideal for seasonal storage, winterizing, and everyday cold-weather operation. Sta-Bil Iso-Heet is the trusted choice for anglers, powersports enthusiasts, landscapers, and homeowners who need dependable fuel protection when temperatures drop.