These Large Bearings are just what you need to clean your larger "single bullet" style cartridge filters. These bearings accommodate cartridges with both 4" and 6" openings whereas the standard bearings for quad filters accommodate a 3" opening.
Many regions need these types of filters to be cleaned monthly. Get the job done faster, cleaner, with less mess and less hassle!
- Set of Large Bearings (1) Top and (1) Bottom