"The World's BEST Sprayer" 1. Clip for wand is now molded into lid (increased durability) 2. Pressure relief valve is now on the lid instead of the tank (hard to break off) 3. Pressure relief valve can be turned and locked open/closed 4. O-ring is now on the tank instead of the cap (less contact with chemicals) The perfect sprayer for small to medium jobs. Heavy Duty Chemical Resistant Hose 18" Brass Extension Solid Brass Trigger Assembly Completely Rebuildable Heavy Duty Parts Wide Mouth, Easy Fill Bottle Viton Check Valve Pressure Gauge & Relief Valve Brass Fan Pattern Jets High Volume Easy Pump Tough Long lasting