I-MIX WATER FILTER MODEL 1252-70L-F117Q3-RESIN (56 L I-MIX). I-MIX WATER FILTER MODEL 1252-70L-F117Q3-RESIN (56 L I-MIX) is an automatic water filtration system designed for water treatment solutions using I-MIX filter media. The system combines an FRP pressure vessel, I-MIX filter media and an F117Q3 automatic control valve in one complete set. The system is based on a 1252 FRP vessel containing 56 L of I-MIX filter media. The 70 L brine tank configuration stores brine for the regeneration process. The F117Q3 control valve automatically manages the system operating cycles. This model provides a high-capacity I-MIX configuration for water treatment systems requiring a larger filter media volume. Technical specifications. Product: I-MIX WATER FILTER. Model: 1252-70L-F117Q3-RESIN. FRP vessel size: 1252. Brine tank capacity: 70 L. Control valve: F117Q3. Filter media: I-MIX. Media volume: 56 L. System type: automatic water filter. Main benefits: complete I-MIX water filtration system; automatic control valve operation; high-capacity filtration configuration; ready-to-install system configuration; suitable for integration into complete water treatment systems; suitable for systems requiring a larger filter media volume; suitable for residential and commercial water treatment applications.