The Realgoal RO Waste Water Flow Limit Restrictor 300cc is a must-have component for all water reverse osmosis purification systems. This device is designed to restrict the flow of water to a maximum of 300cc per minute, ensuring a smooth and consistent water outlet while preventing over-extraction of clean water. The 1/4" quick connect tube push fittings provide easy and secure connections to your reverse osmosis membrane, allowing for easy replacement and maintenance. These high-quality fittings are made from durable materials that are resistant to corrosion and easy to clean, ensuring long-lasting performance. The Realgoal RO Waste Water Flow Limit Restrictor 300cc is an essential component of any high-quality water purification system, offering superior performance and reliability at an affordable price.