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This is the W&H Roto Quick type coupling compatible with W&H RQ-04 coupling.
With water anti-retraction valve.
Without illumination system.
Without water volume adjuster.
International Standard hose connector: Type B- connector with four or five outlets."

• WH Style Quick Coupling 4 Holes
• With Water Anti-retraction Valve
• Without Water Volume Adjuster
• Without Illumination System
• Products is High Quality and Inexpensive

WH Style Quick Coupling 4 HolesCOXO