| http://www.w3.org/ns/prov#value | - The filter discs 7 have an outer diameter of 178 to 305 mm, i.e. from 7 to 12 inches, and have a disc thickness of the order of magnitude of 6 to 10 mm.In the filter housing head 11, above the first filter disc 7, a baffle plate 12 is arranged, which forms a gap with a filter housing inner wall 3.
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