The Watts Flowmatic WR100 Filter Wrench makes changing water filters in your residence or RV easy. Use this wrench to loosen the bottom of the housing during cartridge replacement, hassle-free. Simply slide the wrench over the housing until it fits snugly, then use to unscrew the housing body from the cap.
- For residential & RV use
- Fits Flowmatic 10" FH4200BB/BL/CW housings
- Fits Flowmatic 20" FH7000BL/WW housings
- Makes replacing water cartridges quick & easy
- Do not use to tighten - may cause damage
- Genuine OEM product