WATERRO PANEL 1/2"M needle valve for 1500G–3000G systems. The WATERRO PANEL 1/2"M needle valve is designed to regulate flow in WATERRO reverse osmosis systems with capacities from 1500G to 3000G. This panel-type valve features a 1/2" male connection. Technical specifications: Product — WATERRO needle valve; Model — PANEL; Connection — 1/2" male; Compatible systems — 1500G–3000G; Application — reverse osmosis systems; Function — flow regulation. Main advantages: PANEL model needle valve; 1/2" male connection; designed for 1500G–3000G RO systems; suitable for flow regulation; compatible with WATERRO reverse osmosis systems.