

High Efficiency
✓ Rigid Structure
✓ Polyester Layer
The Andreae HE Original Filter will bring a filtration efficiency near 100% while keeping the high loading capacity of the Andreae Original filter. The HE is made with 2 layers of heavy “kraft” paper, punched, pleated and glued together completed with a polyester layer on its back increasing its filtration efficiency.
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Performance
Load
Efficiency
Lacquers
High Solids
Polyester Bi-Components
Load lb/ft2
Lacquers 2.24
High Solids 2.70
Polyester 2.93
Efficiency %
Lacquers 97.90
High Solids 99
Polyester 99.40
Recommended Air Velocity
0.5 to 1 m/s
Pressure drop at / by
0.5m/s 21pa
0.75m/s 32 pa
1.0m/s 42 pa
Ma. recommended pressure drop
128 pa (possible up to 256)