How Your Nextsand Filter Works
Fig 1.
In your filter the water enters the top of the tank and flows down
through the media and up the distributor tube.
The down flow type filter removes sediment and can be backwashed, which
cleans and re‐classifies the media, preventing channeling.
Fig 2: Nextsand backwash filter on treated city water
Summary of Contents for Clack WS1
Page 7: ......
