| 摘要 |
<p>The filter unit has a filter housing (1) and a filter insert, where the filter insert is carried from the housing. The filter insert is inserted and extracted over a closable opening in the filter housing, where the closable opening is provided at the filter housing. The filter insert is made of ceramic material which is porous aluminum oxide, titanium oxide or silicon carbide. A metal fabric or netting is a copper or nickel fabric or netting. The filter insert is made of non-ferrous metal elements which are sintered to metal sphere made of copper or tin bronze.</p> |
