Advantage:
- Wrench for Geekpure big blue filter housing (special for blue housing).
- Used to tighten and loosen Geekpure filter housings.
- Fit with ASIN:B0779RD4YM,B07799BBST,B07GQTS32Z,B07GS3LSZ4.All is Geekpure big blue housing.
- Fit with Geekpure 4.5"x10" or 4.5"x20" big blue housing.
- RESPONSABLE MANUFACTURER- ISO9001:2008 certificated Manufacturer ,also Member of Water Quality Association (WQA)