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AMER / DURA — Pre-Filter Media
Pre-filter · ISO Coarse 70–80%

AMER / DURA — Pre-Filter Media

Fresh-air pre-filtration media for cooling, heating and ventilation (air handling) systems. AMER is a progressive-density glass-fibre (Amerglass) media; DURA is a washable natural-fibre media valued for its dust-holding capacity and quality/price ratio. Supplied as framed filters, cut to size, or in rolls.

TypePlan gravimetric pre-filter
FrameCardboard with holding crosspieces
AMER mediaFiberglass · EN 779 G3 · ISO Coarse 80%
DURA mediaNatural fibre · EN 779 G2 · ~85% gravimetric · washable
Final pressure drop350–500 Pa
Max. temperature176 °F (80 °C)
MountingAssemblable frames
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Dimensions & Performance

Imperial units, converted from the metric catalogue. Airflow at nominal flow. Custom sizes available on request.

AMER — fiberglass media (ISO Coarse 80% · G3)

ReferenceDimensions (in)Media area (ft²)Airflow (CFM)Final ΔP (Pa)Weight (lb)
AMER-B-16-20-1-C15.4 × 19.3 × 1.02.2824500.4
AMER-B-20-20-1-C19.3 × 19.3 × 1.02.71,030500.6
AMER-B-20-24-1-C19.3 × 23.2 × 1.03.21,177500.7
AMER-B-12-24-2-C11.4 × 23.2 × 2.02.2706600.6
AMER-B-20-24-2-C19.3 × 23.2 × 2.03.21,118600.8
AMER-B-24-24-2-C23.2 × 23.2 × 2.03.81,413600.9

DURA — natural-fibre media (ISO Coarse 70% · G2)

ReferenceDimensions (in)Media area (ft²)Airflow (CFM)Final ΔP (Pa)Weight (lb)
DURA-G-20-20-119.3 × 19.3 × 1.02.21,030505.5
DURA-G-20-24-119.3 × 23.2 × 1.02.71,236506.6
DURA-G-24-24-123.2 × 23.2 × 1.03.21,471507.7
DURA-G-20-20-219.3 × 19.3 × 2.02.2706607.7
DURA-G-20-24-219.3 × 23.2 × 2.03.21,118608.8
DURA-G-24-24-223.2 × 23.2 × 2.03.81,413609.9
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