Top 10 Best diffuser refills in 2026

Last Updated - 6/21/2026

🏆Best Choice

Pura

Pura Car Scent Refill - Fragrance for Pura Car Diffuser - Clean & Safe Luxury Diffuser Scent - Long-Lasting Fragrance for 30 Days of Aroma - Apple Orchard

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Pura Car Diffuser Aroma: Like driving through an apple orchard on a crisp autumn day, this mouth-watering scent combines red apples, strawberries, toasted vanilla, and spices for a nostalgic drive; this aroma refill is for the car diffuser
•30 Days of Car Fragrance: Your Pura Car diffuser’s accelerometer detects motion, so it automatically turns on when you go and stops when you stop—helping you save fragrance and keeping you hands-free
•Car Diffuser Must-Have: This Pura car diffuser is compatible with the Pura app, allowing you to easily manage aroma intensity and frequency from your smartphone; diffuser sold separately
•Health-Conscious Scent Refill: Our car diffuser's scent refills are designed without harsh chemicals; we avoid ingredients that are known to cause potential harm to your health or the environment
•About Pura: We are reimagining the future of fragrance through smart home technology, because life is better when it smells good

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$14.99

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Pura

Pura Smart Home Air Diffuser - Smart Air Diffuser - Up to 120-Hours of Luxury Fragrance per Refill - Spring & Summer Fragrance - 2 Pack, Linens & Surf

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Pura Diffuser Aroma Notes: Freshly laundered linens radiate jasmine and creamy coconut with splashes of refreshing sea spray; this spring and summer diffuser refill is a perfect addition for your home when hosting summer parties
•Automatic Smart Vial Detection: Simply insert your smart aroma fragrance vial and the Pura 4 Home Diffuser will automatically detect the fragrance refill, creating an easy swapping experience
•Long-Lasting Scent for Home Diffusers: Pura diffuser refills with Puralast Smart Scent Technology provide a long-lasting luxury fragrance experience of up to 120 hours per vial for your home
•Health-Conscious Home Essential: Our fragrance refills for the home are designed without harsh chemicals; we avoid ingredients that are known to cause potential harm to your health or the environment
•About Pura: We are reimagining the future of fragrance through smart home technology, because life is better when it smells good

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$27.46

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Pura

PuraHome Scent Refill - Smart Air Diffuser - Up to 120-Hours of Luxury Fragrance per Refill - Home Essential - Clean & Safe Diffuser Fragrance - 2 Pack, White Tea No. 1

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Pura Diffuser Aroma Notes: Refreshing notes of white tea, bergamot, and jasmine create a luxurious, spa-like experience
•Automatic Smart Vial Detection: Simply insert your smart aroma fragrance vial and the Pura 4 Home Diffuser will automatically detect the fragrance refill, creating an easy swapping experience
•Long-Lasting Scent for Home Diffusers: Pura diffuser refills with Puralast Smart Scent Technology provide a long-lasting luxury fragrance experience of up to 120 hours per vial for your home
•Health-Conscious Home Essential: Our fragrance refills for the home are designed without harsh chemicals; we avoid ingredients that are known to cause potential harm to your health or the environment
•About Pura: We are reimagining the future of fragrance through smart home technology, because life is better when it smells good

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$27.98

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Pura

PuraHome Scent Refill - Smart Home Air Diffuser - Up to 120-Hours of Luxury Fragrance per Refill - Home Essential - Clean & Safe Diffuser Fragrance - 2 Pack, Cinnamon Woods

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Pura Diffuser Aroma Notes: This fall scent features a spicy blend of cinnamon, ginger, and peppercorn balanced by warming notes of vetiver and guaiac wood
•Automatic Smart Vial Detection: Simply insert your smart aroma fragrance vial and the Pura 4 Home Diffuser will automatically detect the fragrance refill, creating an easy swapping experience
•Long-Lasting Scent for Home Diffusers: Pura diffuser refills with Puralast Smart Scent Technology provide a long-lasting luxury fragrance experience of up to 120 hours per vial for your home
•Health-Conscious Home Essential: Our fragrance refills for the home are designed without harsh chemicals; we avoid ingredients that are known to cause potential harm to your health or the environment
•About Pura: We are reimagining the future of fragrance through smart home technology, because life is better when it smells good

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$27.98

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Capri Blue

Capri Blue Pura Smart Home Plug-in Diffuser Refills – Volcano with a Tropical, Citrus Scent – Long-Lasting Aromatherapy Diffuser Refills (Pack of 2)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•CB + Pura Oil Diffuser Refills (Pack of 2): Your favorite Capri Blue Volcano fragrance is now available in Pura Refills! The Pura app allows you to control your smart plug diffuser from anywhere, plus you can set custom schedules and choose your fragrance level to always keep your house smelling fresh. So, bring on those unexpected guests and create the ultimate fragrance experience with your Pura Volcano Capri Blue Refills! (Pura diffuser plug in sold separately.)
•Volcano Pura Scents: Drift away with the classic notes of tropical fruits and sugared citrus of the iconic Volcano Pura air fresheners. Like the excitement and energy of a summer night rendezvous, these Volcano aromatherapy diffuser scents are simply unforgettable.
•Long-Lasting Fragrance: Capri Blue Pura Diffuser Refills are intended for single use. Each Pura fragrance refill will last up to 350 hours or 15 days when your scent diffuser is set to medium intensity.
•Pet & Eco Friendly: Free of harmful chemicals, these Pura fragrance diffuser refills are thoughtfully designed to avoid ingredients known to cause potential harm to health or the environment. Our Volcano Capri Blue Pura scent refills are formulated without parabens, phthalates, dichlorobenzene, mineral oil, DEA, petroleum, formaldehyde, or propylene.
•About Us: Inspired by contemporary fashion trends, Capri Blue creates exciting new products for every season. The following Capri Blue fragrances are available for your Pura smart home fragrance diffuser: Volcano, Aloha Orchid, Blue Jean, Coconut Santal, Havana Vanilla, Paris, Pineapple Flower, and more!

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$40.00

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Thymes

Thymes Pura Refills – 2 Pack of Oil Diffuser Scents – Long-Lasting Pura Diffuser Refills – Premium Home Fragrance – Notes Siberian Fir Needles, Cedarwood & Sandalwood (Frasier Fir, Pack of 2)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Pura Smart Home Fragrance Diffuser Refills (Pack of 2): Refill your Pura fragrance diffuser with the fresh fragrance of Thymes Frasier Fir. Each Pura fragrance refill is intended for single use. These long lasting scent refills for your Pura smart device will last up to 350 hours or 15 days on medium intensity. (Listing is for 2 Pura refills. Pura diffuser sold separately.)
•Frasier Fir Pura Scents: These refills are scented with the aromatic snap of crisp Siberian fir needles, heartening cedarwood and relaxing sandalwood; add this warm, rustic fragrance to your holiday or everyday home decor.
•Pura Smart Diffuser: The Pura diffuser plug in allows you to customize your aroma experience from the convenience of your smartphone. Adjust the scent intensity, set custom schedules, and swap between scents within the Pura app. The Pura smart plug diffuser does require a Wi-Fi connection for setup and operation. The diffuser plugs into any 110V AC outlet and does not require batteries. (Pura diffuser sold separately.)
•Pet & Eco Friendly: Our Pura oil diffuser refills are thoughtfully designed to avoid ingredients known to cause potential harm to health or the environment. Thymes Pura refills are also cruelty-free, gluten-free, vegan, and non-GMO. Made in the USA with globally sourced components.
•Who We Are: Grown from a passion for nature, art and balance, Thymes products invite a transformative experience for the senses with unique fragrances, artfully designed packaging, and botanically based products. Our Pura home fragrance products are always formulated with naturally derived, wholesome ingredients and without parabens or petrolatum.

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$42.00

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Pura

Pura & Simplicity Home Scent Refill - Smart Air Diffuser - Up to 120-Hours of Luxury Fragrance per Refill - Home Essential - Clean & Safe Diffuser Fragrance - 2 Pack, Apple

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Pura Diffuser Aroma Notes: Crisp and sweet, red apples swirl with summer fruits and soft musk, adding a delicious brightness to every day
•Automatic Smart Vial Detection: Simply insert your smart aroma fragrance vial and the Pura 4 Home Diffuser will automatically detect the fragrance refill, creating an easy swapping experience
•Long-Lasting Scent for Home Diffusers: Pura diffuser refills with Puralast Smart Scent Technology provide a long-lasting luxury fragrance experience of up to 120 hours per vial for your home
•Health-Conscious Home Essential: Our fragrance refills for the home are designed without harsh chemicals; we avoid ingredients that are known to cause potential harm to your health or the environment
•About Pura: We are reimagining the future of fragrance through smart home technology, because life is better when it smells good

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$23.98

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Pura

Pura & Unify Co. Home Scent Refill - Smart Air Diffuser - Up to 120-Hours of Luxury Fragrance per Refill - Home Essential - Clean & Safe Diffuser Fragrance - 2 Pack, Salt

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Pura Diffuser Aroma Notes: With this diffuser scent, you can enjoy notes of pineapple leaf, sage, freesia, and sandalwood for a sweet, beachy aroma
•Unify Co. Room Fragrance Collection: The room fragrance collection with Unify Co. features diffuser scents meant to inspire action and celebrate everyday moments
•Long-Lasting Scent for Home Diffusers: Pura diffuser refills with Puralast Smart Scent Technology provide a long-lasting luxury fragrance experience of up to 120 hours per vial for your home
•Health-Conscious Home Essential: Our fragrance refills for the home are designed without harsh chemicals; we avoid ingredients that are known to cause potential harm to your health or the environment
•About Pura: We are reimagining the future of fragrance through smart home technology, because life is better when it smells good

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$31.30

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Pura

Pura & Becki Owens Home Scent Refill - Smart Home Air Diffuser - Up to 120-Hours of Luxury Fragrance per Refill - Spring & Summer Fragrance - 2 Pack, Coconut Calm

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Pura Diffuser Aroma Notes: Welcome endless summer sensations with cool ocean breezes, dreamy island coconut, and sensuous vanilla bourbon; this spring and summer diffuser refill is a perfect addition for your home when hosting summer parties
•Becki Owens Room Fragrance Collection: The home fragrance collection with designer Becki Owens and Pura features scents that leave a warm and lasting impression on your space
•Long-Lasting Scent for Home Diffusers: Pura diffuser refills with Puralast Smart Scent Technology provide a long-lasting luxury fragrance experience of up to 120 hours per vial for your home
•Health-Conscious Home Essential: Our fragrance refills for the home are designed without harsh chemicals; we avoid ingredients that are known to cause potential harm to your health or the environment
•About Pura: We are reimagining the future of fragrance through smart home technology, because life is better when it smells good

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$37.53

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Pura

Pura & Guy Fox Home Scent Refill - Smart Air Diffuser - Up to 120-Hours of Luxury Fragrance per Refill - Home Essential - Clean & Safe Diffuser Fragrance - 2 Pack, Noma

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Pura Diffuser Aroma Notes: This fragrance refill features a unique blend of vanilla, jasmine, mahogany, and teakwood for a rich, warm, and woody aroma
•GUY FOX Room Fragrance Collection: This diffuser scent refill collection with GUY FOX and Pura makes fine fragrances more accessible and appealing to everyone
•Long-Lasting Scent for Home Diffusers: Pura diffuser refills with Puralast Smart Scent Technology provide a long-lasting luxury fragrance experience of up to 120 hours per vial for your home
•Health-Conscious Home Essential: Our fragrance refills for the home are designed without harsh chemicals; we avoid ingredients that are known to cause potential harm to your health or the environment
•About Pura: We are reimagining the future of fragrance through smart home technology, because life is better when it smells good

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$35.91

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