Dry air and colder climates, as well as allergens like ragweed, mold and dust, can wreak havoc on one's respiratory system as the calendar turns to fall and winter.

With Black Friday in full swing, now is a great time to invest in both machines.

To help combat dry nasal passages, consider a humidifier, which increases the moisture by pumping water vapor into the air.

To help prevent sneezing and itchy eyes, consider a purifier, which works to clean the surrounding air of allergens and toxins.

Scroll down to shop some picks for each to make life more comfortable for yourself in the coming months.

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Air Purifiers

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This Deal Expires on 11/26/20212021-11-26T23:59:00-05:00

Blueair Blue Pure 211+ Auto Air Purifier in White

Black Friday Deal: $249.99 26% SavingsBed Bath & Beyond

Original: $339.99

Blueair's Blue Pure 211+ Auto air purifier takes a simple approach to air quality with an integrated sensor, Auto mode setting, and LED air quality display. Ideal for large spaces, it removes 99.97% of airborne particles.

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Levoit Desktop True HEPA Air Purifier in Beige

Black Friday Deal: $47.99 20% SavingsBed Bath & Beyond

Original: $59.99

The Levoit Personal Desktop True HEPA Air Purifier circulates fresh air over 4 times per hour in rooms as large as 160 sq, ft. Provides you with fresh air via 3 distinct states of filtration to capture allergens, smoke, mold spores, dust and more.

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This Deal Expires on 11/26/20212021-11-26T23:59:00-05:00

Prospera UV Light Air Purifier Device

Black Friday Deal: $79.99 20% SavingsBed Bath & Beyond

Original: $99.99

Prospera's UV Light Air Purifier Device sterilizes with UV, purifying air and eliminating peculiar smells to keep your home and workplace clean and safe. Provides a 90% sterilization rate in one hour without any additional liquid or chemicals.

Humidifiers

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Homedics TotalComfort Personal Humidifier

Black Friday Deal: $19.99 70% SavingsMacy's

Original: $66.99

Small in stature, big on power. The HoMedics TotalComfort Personal Ultrasonic Humidifier is perfect for your desktop or travel.

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This Deal Expires on 11/26/20212021-11-26T23:59:00-05:00

Homedics TotalComfort Deluxe Ultrasonic Humidifier

Black Friday Deal: $119.99 40% SavingsMacy's

Original: $199.99

This easy-to-use humidifier produces a visible cool mist with a 360° mist nozzle and 3 mist settings. Equipped with a top-fill 1.5-gallon water tank, you get up to 70 hours of runtime with an auto-off timer for up to 12 hours.

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This Deal Expires on 11/26/20212021-11-26T23:59:00-05:00

Levoit Ultrasonic 2-in-1 Top Humidifier and Diffuser

Black Friday Deal: $49.99 16% SavingsBed Bath & Beyond

Original: $59.99

Acting as both a humidifier and diffuser, the Levoit Ultrasonic Top-Fill Cool Mist 2-in-1 Humidifier fills rooms with invigorating fragrances and healthy humidity, creating a comfortable atmosphere.