FireFighter GL and FireFighter PG are non-toxic antifreezes designed for use in place of water in sprinkler systems.

FireFighter GL and FireFighter PG are non-toxic antifreezes designed for use in place of water and other water like fluids in sprinkler systems where freezing may cause damage or interfere with the functioning of systems or equipment, and/or where toxicity to humans or animals is a concern. FireFighter GL is a glycerine-based material which is compatible with all approved types of pipe. FireFighter PG is a propylene glycol-based material that is compatible with all approved types of sprinkler pipe systems, with the exception of PVC.