The Aqua Filter AQ-S-3000W four-way valve controls the water flow in a reverse osmosis system and shuts off the supply when the tank is full. Inside, a mechanism expands as the tank fills and signals the system to stop operating.

• Type: Four-way valve
• Connection: For 1/4" (6.35 mm) reverse osmosis water tubing
• Fitting connections: A and B for 1/4" tubing
• Dimensions: 72 × 40 mm (height × diameter)
• Reusable: Yes
• Weight: 0.5 kg