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Foam Concentrates

Class B – synthetic fluorine free foam (SFFF)

Muni® F3 Green 3% Designed for municipal firefighting on Class B hydrocarbon fires and Class A fires.

Avio® F3 Green KHC 3%

Designed for aviation crash rescue firefighting, providing fast knockdown on Jet A and Jet A‑1 fuel fires and meeting ICAO Level C requirements.

National Foam Muni Green 3% SFFF foam concentrate in a white plastic pail for Class B fire suppression

Muni® F3 Green 3%

Designed for municipal firefighting on Class B hydrocarbon fires and Class A fires.

National Foam Avio® Green KHC 3% fluorine-free foam concentrate for Class B fire suppression

Universal® F3 Green 3%‑3% AR‑SFFF

Versatile foam concentrate for Class B hazards involving hydrocarbon and polar solvent fuels.

Muni® F3 Green Plus 3% AR‑SFFF

Alcohol‑resistant SFFF concentrate for hydrocarbon and polar solvent fires, with added Class A wetting performance.

National Foam AVIO F3 Green MIL 3% fluorine-free foam concentrate for Class B fire suppression.

Avio® F3 Green Mil 3%

Designed for land‑based aviation crash rescue firefighting, offering burn‑back resistance and vapor suppression.


Class A foam concentrates

National Foam Responder® Class A Foam Concentrate for structural and wildland firefighting applications

Responder® F3 Class A

Formulated for municipal firefighting to improve water penetration and heat absorption.

National Foam KnockDown Class A Foam Concentrate for structural, wildland, and municipal firefighting applications

Knockdown® F3 Class A Designed for Class A and Class B foam systems, including Compressed Air Foam Systems (CAFS).

National Foam HydroAttack® Class A Wetting Agent for enhanced suppression of ordinary combustible fires

HydroAttack Wetting Agent

Cost‑effective wetting agent that improves water penetration and surface adherence, reducing water usage and extinguishment time.


High‑expansion foam

Training Foam

National Foam HI-EX® 2% High Expansion Foam Concentrate for high-expansion fire suppression systems.

HI‑EX® F3 2%

Designed for total flooding applications, providing oxygen displacement, cooling, and penetration in enclosed hazards.

National Foam Training Foam 1% concentrate for firefighter training and foam system testing

Training Foam® F3 1%

Economical fluorine‑free foam concentrate designed for firefighter training applications.