BWSM20-2×20-FILTER Synthetic Blue / White filter media, 20mm deep, G4 grade, 2m x 20m roll.
A filter media made of 100% hollow spiral crimped polyester fibres.
Initial pressure drop 40 Pa, Recommended final pressure drop 220 Pa.
Dust holding capacity 504 g/m².
Average Arrestance: 91%
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