WesTech MULTICRETE™ - Model II - Filter Underdrain
The MULTICRETE™ II underdrain is a monolithic cast in place underdrain with open plenum design. It can be designed for media retaining or support gravel applications. Special nozzles allow for combined air/water backwash or water only backwash.
The accessible MULTICRETE™ II underdrain allows interior inspection after installation. The open plenum design provides for uniform distribution at high rates of air and water during backwash. It readily combines with the unique MULTIWASH® baffle to provide unlimited air-water backwashing. MULTICRETE™ II is NSF Standard 61 approved.
- Corrosion resistant materials
- Open plenum design
- Media retaining design
- Monolithic formwork construction
- Long product life
- Lower headloss
- Greater hydraulic capacity
- Access to underdrain
- Eliminates support grave
- Reduced filter depth
- Fewer people needed to install
- Structural strength with few joints
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