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$60.15Original price was: $60.15.$36.10Current price is: $36.10.
Methods of test for air filters for use in air conditioning and general ventilation – Arrestance efficiency, average arrestance efficiency, dust-holding capacity, and dust-holding capacity per unit of effective face area for test dusts Nos 1, 2 and 3 standard by Standards Australia, 01/01/1973
BS Z 9 1 × $260.60
