Clear Choice Micron Sleeve

This material wraps around your existing filter not needing to cover the entire filter to do it's job.  The textured loose micron material catches a different kind of dirt that your filters could miss.  Usually one Micron Sleeve is enough for hot tubs and spas but one on each filter with Swim Spas is suggested.  The Micron Sleeve easily rinses off when you clean your filter and should last up to 2 years.