Media filter Backwash Performance 

This video is a brief look at how different types of filters backwash and what to be aware of when looking at buying a filter. To see all the details of why these perform differently watch this video - • Dryden Media Filter We...
Remember that filter has two components hardware (filter vessels) and software (media inside the vessel) and just like a computer if you have cheap hardware and good software, it will not perform well and the same goes the other way around good hardware and poor software.