- Specifications
- Features
- Documents
Imperial
Metric
Model | EFS-11-NW25/2 |
Connection type | ISO Flange |
Flow (SCFM) | 23 |
Dimension a | 4.13 in |
Dimension b | 0.86 in |
Dimension c | 4.15 in |
Dimension e | 2 in |
Weight | 0.25 lb |
Media | Polyester |
Micron rating | 10.0 |
Qty per box | 2 |
Case quantity | 12 |
Replacement element | 11™ |

- Compact design combines both filtration efficiency and noise reduction
- Integrated inlet diffuser optimizes sound attenuation
- Multi-stage noise reducing features including final stage sound absorbent insert
- Tubular silencing design - tube is positioned to maximize attenuation and air flow while minimizing pressure drop
- Patented high grade element with built-in Butterfly gasket seal which creates positive seal between housing hemispheres and a new seal with each element
- Seamless drawn housings
- Corrosive resistant black powder coat carbon steel
- Ability to mount vertically, horizontally
Application
- Dry Scroll Pumps
- Prevent tip seal dust and debris from contaminating the environment
- Silence irritating pump exhaust noise
Options
- Over pressure relief valve
- Zinc clear plated finish
- HEPA filter media (99.97% efficient @ 0.3 microns)
- Custom inlet connections to match pump discharge
- Straight-through versions to remote pipe exhaust