Which air filter element will provide the highest filtration efficiency (i.e., which removes the most dirt)?
A)An oil-wetted cotton gauze-style air filter.
B)A dry-type but dirty paper-type filter.
C)An oil bath-type air filter.
D)A new, dry paper-type filter.

Question

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The Answer of Which air filter element will provide the highest filtration efficiency (i.e., which removes the most dirt)?
A)An oil-wetted cotton gauze-style air filter.
B)A dry-type but dirty paper-type filter.
C)An oil bath-type air filter.
D)A new, dry paper-type filter.

Which Air Filter Element Will Provide the Highest Filtration Efficiency