Preparation Heat Set Inserts Step 1. Install heat set inserts into three (3) of the four (4) highlighted holes in the fan. The fourth may be left unused. Step 2. Install heat set inserts into the three (3) highlighted holes in the fitler cage. Magnet Installation Step 1. Fix magnets into the six (6) highlighted locations. It is strongly recommended that the polarity of the magnets are all oriented the same direction. Step 2. Fix magnets into the six (6) highlighted locations. These magnets must have the same orientation as the base magnets. Step 3. Test that the filter and base snap together properly. Once any issues are fixed, optionally add a drop of super glue to the highlighted well area next to each magnet; this will help ensure magnets do not come loose.