National Foams Class A Foams are also wetting agents.
Environmentally responsible KnockDown®, a Class A foam concentrate, is a unique formulation providing unmatched firefighting performance and flexibility. Qualified to USDA Forest Service 5011-307a and UL approved for use as a wetting agent for Class A/B applications
Environmentally responsible Responder, a Class A foam concentrate. Responder is designed for use in Class A/B foam systems and is excellent for Compressed Air Foam Systems (CAFS).