| 11. | The air cleaner box base was modified to increase the airflow.
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| 12. | More recently, they would dry ropes on their pickup's air cleaner.
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| 13. | Duracraft makes 60 types of humidifiers, heaters, air cleaners and fans.
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| 14. | Back when the hardware stores were selling out of filter masks and air cleaners.
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| 15. | "We'd like to think that the actions we're taking are making the air cleaner,"
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| 16. | To get real air cleaning you have to invest in an electronic air cleaner.
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| 17. | The engine was fitted with an oil-bath air cleaner and a centrifugal oil filter.
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| 18. | The car was equipped with an oil bath air cleaner.
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| 19. | Consider using a HEPA ( for high-efficiency particle-arresting ) air cleaner in the bedroom.
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| 20. | That's how I plunged into the world of air cleaners.
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