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14ALL Boston Cut-to-Fit Replacement Carbon Pre-Filter

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Boston universal Cut-to-Fit activated carbon pre-filter

• Fits all Boston room air cleaners that require a carbon pre-filter.
• Large 15-3/4" x 48" cut-to-fit activated carbon sheet!
• Helps remove large particles and reduce common household odors such as cooking odors, tobacco smoke odors, pet odors, musty odors, etc.
• Makes 1 to 4 pre-filters depending on the model.
• For optimum performance, replace pre-filter every 2 to 3 months.
• Easy "Cut-to-Fit" replacement system  

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