TETRA™ potable water filters

One of the most trusted names in drinking water and wastewater filters.

DRINKING WATER FILTER UNDERDRAINS

Drinking Water Filters
In gravity filters, the underdrain is one of the most important components contributing to overall system performance and operation — whether a new filter design or retrofitting of an existing filter. De Nora Water Technologies offer TETRA LP Blocks™ dual parallel lateral underdrain and the TETRA U Blocks™ underdrain for drinking water and desalination pre-treatment applications.

 

TETRA™ LP and U block drinking water filter underdrain advantages

  • Low headloss
  • Easy installation
  • No moving parts
  • Even backwash distribution
  • Reduced backwash water
  • Lower operating cost
  • High resistance to uplift from the filter floor
  • Fewer blocks and grout required

 

TETRA™ LP Block DPL Filter Underdrain

TETRA™ LP Block DPL Filter Underdrain

TETRA™ LP Block Installation

TETRA™ LP Block Installation

De Nora Water Technologies

TETRA™ LP block