1.5 Liter – MODEL PFE- PFE-1LCS All Class A-K (UL/ULC: 5B, C, D, K (1A)) Click For Specs 40% Head Space for Better Distance Spray Control Freeze Resistant to -100˚F (-73.3˚C) Full Cone Natural Aspirating Foam Nozzle: 8 to 10 feet Non-Irritant Non-Aggressive NFPA10 / ANSI/UL711