Excel filters are a very high-quality choice for your cartridge filter. They are durable and long lasting and now you can order them online at an affordable low price.
I've personally toured the factory (it is just 10 minutes from my home) and met with the engineers and sales rep whom all have a long history in the pool industry.
What you get with Excel filters is high-quality material at a very competitive price. Excel will also take care of any problems you have and they are committed to expanding their market share. Rest assured you are getting a great product for your cartridge filter.