Filters 401mm & Above

All the replacement filter cartridges in this section range from 400mm and above. Follow this guide below for the simplest method of matching up your filter.

1/ Measure & match up the Length - (Not including any threads or handles etc)

2/ Measure & match up the Outside Diameter.

3/ Measure & match up the Inside Diameter of the opening - (If the top or bottom has an open hole) 

4/ Determine what style the Top of the filter is - (Closed, Handle, Castle, 4 Y Clips, Male Thread or Open Hole).

5/ Determine what style the Bottom is - (Open Hole, Fine or Coarse male thread, Male Slip & Push Fit).

If you are unsure of the filter you need and would like help you can call us or email us by clicking here.