MULTIBLOCK® Filter Underdrain
Versatile Filter Underdrain System
MULTIBLOCK® underdrains provide a high quality, low cost, engineered product that is economical and versatile. MULTIBLOCK underdrains can be fitted with the unique Laser Shield™ media retaining system that eliminates the need for support gravel. Combined air and water backwash is possible using this system.
MULTIBLOCK underdrains deliver to you…
- Reduced profile underdrain option
- Superior media retention capability
- Uniform distribution of water and air backwash
The MULTIBLOCK underdrain has been installed in concrete and steel gravity filters for a number of applications. Packaged treatment units as well as large cluster filters have benefited from the design. It readily combines with the unique MULTIWASH® baffle to provide unlimited air-water backwashing. Your old clay tile underdrains are ideal candidates for replacement with MULTIBLOCK underdrains which are NSF Standard 61 approved.
Benefits and Features
- HDPE plastic construction
- Snap together design
- Gasket seal between blocks
- Laser Shield media retention option
- Dual lateral design
- Integrates with MULTIWASH backwash
- Lightweight
- Corrosion resistant
- Easy to handle and install
- No lubricant needed
- Corrosion resistant design
- Eliminates support gravel
- Minimizes depth required
- Uniform distribution
- Superior media cleaning
- Unlimited backwash duration
