Hayward Pro grid DE3620 filter w/o Valve
... flow of unfiltered water evenly to all filter
elements and provides even distribution of D.E. to grids
- DE required is 6lbs About DE Filters
is a porous powder with microscopic ... , dust, algae, and some forms of bacteria from the water. Similar to sand filters
, when D.E. filters
become dirty, they are cleaned either by backwashing, or regenerating and draining the clogged ...