Blue And White (F-40250LN-4) 0.025 - 0.25 GPM Flow Meter; 1-4" FPT GE Desal () AG-Series Tap Water/Brackish RO Elements AG4021TF; 4" X 21" 1050 GPD TFC; TAPE } GE Water / Autotrol

} GE Water / Autotrol Control Valve Accessory

🔧 Pro Tip: Always install the E5528 before your RO membrane

Filtration

Use it before KDF media stages or copper plumbing to prevent corrosion and blue-green staining

Commonly installed as post-RO polishing stage or in whole-house specialty filtration systems requiring deionization

Blue And White (F-40250LN-4) 0.025 - 0.25 GPM Flow Meter; 1-4" FPT GE Desal () AG-Series Tap Water/Brackish RO Elements AG4021TF; 4" X 21" 1050 GPD TFC; TAPE } GE Water / AutotrolThe Blue & White F 40250LN 4 flow meter delivers precision monitoring for low flow applications from 0. 025 to 0. 25 GPM through 1 4" FPT connections. Built with machined high quality acrylic polished to optical clarity, this compact inline meter gives you real time visual confirmation of flow rates in residential and light commercial water treatment systems. SPECIFICATIONS Technical Details: F 40250LN 4 Model Number F 40250LN 4 Flow Range 0. 025 0.