Additional Information

Site Information

  • Big Blue Filter Housing Spanner / Wrench for 4.5" Cartridge Housing.
  • Close up of the Water Filter Housing Spanner showing internal dimensions (16.5cm diameter at widest point).

Big Blue Water Filter Housing Spanner


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Product Description

10" and 20" Big Blue Filter Housing Wrench

A filter housing spanner is an essential tool for opening a filter housing after it has been sealed for a period of time. This wrench makes it really easy to unscrew the filter housing to replace the water filter cartridge.

Used to open 10" and 20" Big Blue Filter Housings.

Can also be used with other Water Filter Housings that incorporate a 4.5" diameter filter (please check the internal dimensions as shown in the image above before purchasing).

Technical Information

  • Internal diameter at widest point: 16.5cm approx
  • Internal diameter at narrowest point: 15cm approx
  • Material: High Qualiity durable plastic
  • Colour: White



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