I-MIX WATER FILTER MODEL 1665-100L-F117Q3-RESIN (125 L I-MIX). I-MIX WATER FILTER MODEL 1665-100L-F117Q3-RESIN (125 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 configuration. The system is based on a 1665 FRP vessel containing 125 L of I-MIX filter media. The 100 L brine tank stores brine for the regeneration process. The F117Q3 control valve automatically manages the system operating cycles. The larger vessel and increased filter media volume make this configuration suitable for water treatment systems requiring greater filtration capacity. Technical specifications. Product: I-MIX WATER FILTER. Model: 1665-100L-F117Q3-RESIN. FRP vessel size: 1665. Brine tank capacity: 100 L. Control valve: F117Q3. Filter media: I-MIX. Media volume: 125 L. System type: automatic water filter. Main benefits: complete I-MIX water filtration system; automatic control valve operation; high-capacity filtration configuration; 125 L I-MIX media configuration; 100 L brine tank configuration; ready-to-install system configuration; suitable for integration into complete water treatment systems; suitable for systems requiring increased filtration capacity.