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New Reduced price! BS 1438:1971 View larger

BS 1438:1971

M00000270

New product

BS 1438:1971 Specification for media for biological percolating filters

standard by BSI Group, 09/07/1971

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In stock

$40.41

-57%

$93.98

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Full Description

Single-sized materials, 63 mm to 14 mm, including coke, clinker, gravel, crushed stone, slag for treatment of water, sewage, trade effluents. Durability; sizes; descriptions of shape, nature of surface and group classification; flakiness, cleanness, sampling and testing; supplier's certificate; independent tests. Notes on use appended.