Autotrol (1000406) 12 GPM DLFC Assembly External Drain Flow Control 1" NPT with 3/4" NPT Reducer HM Digital (TDS-4) Handheld Digital TDS Meter/Monitor Replace these filters every 3-4

Replace these filters every 3-4 months or sooner if you notice pressure drop or cloudy water

and multi-tenant buildings

and continuous-duty applications

Manufactured from premium coconut shell carbon for superior adsorption and longer filter life compared to coal-based alternatives

Autotrol (1000406) 12 GPM DLFC Assembly External Drain Flow Control 1" NPT with 3/4" NPT Reducer HM Digital (TDS-4) Handheld Digital TDS Meter/Monitor Replace these filters every 3-4Autotrol Control Valve Component Autotrol 1000406 External Drain Line Flow Control Assembly 12 GPM DLFC with 1" NPT male and 3 4" NPT reducer for precise backwash drain regulation 12 GPM Rated 1" NPT Male 3 4" NPT Reducer External Drain The Autotrol 1000406 is an external drain line flow control (DLFC) assembly engineered to regulate backwash flow rates in residential and light commercial water treatment systems. This 12 GPM unit threads directly into