Solo 4074654 Sprayer Hose Barb Fits all Solo backpack sprayers and only hand-held sprayers models 454, 456, 457, 465, 430-1G, 430-2G, 430-3G Fits 1/4-inch and 3/8-inch hose Use with hose clamp (must order O-ring part # 49C9450) Included in Solos universal wand and shut-off valve kit (part # 4900170N) Made in the USA