Self-service coin and card payment operated water vending machine designed for 18.9L gallon bottles, featuring automated washing, filling, and capping processes.

1. Place empty gallon bucket in washing station
2. Insert coins or swipe payment card to activate
3. Machine automatically detects bottle, performs washing, filling, capping, and output
4. Customer collects filled pure water container

• Stainless steel waterproof cabinet for safety, hygiene, and easy maintenance
• Advanced reverse osmosis purification with nine-stage water treatment
• Fully automated bottle washing, filling, capping, and output system
• 24-hour UV sterilization to prevent secondary contamination
• Efficient ozone generation and mixing technology
• Powerful pre-processing with automatic backwash functionality

Complete 11-step purification process: Booster pump → Sand filter → Carbon filter → 10μ PP filter → 5μ PP filter → RO booster pump → RO membrane → Post carbon filter → Mineralization → UV sterilization → Ozone treatment