FJ-HMX - MX-FOAMJET Multi-expansion foam-making attachment for all Handline, Dual-Force and METRO 2 Series nozzles. Flow range matches that of corresponding TFT Handline, Dual-Force and METRO 2 series nozzles (needed for operation). The MX-FOAMJET is constructed of durable polypropylene, stainless steel, and lightweight hardcoat anodized aluminum. Diameter 10.5” (26.7cm).