QF-004A-L 1/4'' TUBE – 3/8'' TUBE WATERRO QF-004A-L is a 90° Quick Fit reducing elbow connector designed to connect 1/4-inch tubing to 3/8-inch tubing in reverse osmosis and water purification systems. The Quick Fit connector enables fast, tool-free installation, a secure leak-tight connection and repeated reuse. The reducing design allows tubing of different diameters to be connected. Technical specifications Parameter | Value Product | Quick Fit reducing elbow connector Model | QF-004A-L Connection A | 1/4" Quick Fit tube Connection B | 3/8" Quick Fit tube Configuration | 90° reducing elbow Application | Reverse osmosis and water purification systems Key advantages 90° reducing elbow design 1/4" to 3/8" Quick Fit tube-to-tube connection Fast Push-Fit installation Leak-tight connection Connects tubing of different diameters Compact design Reusable connector Suitable for RO and water purification systems