(The one caveat to this might be if you're trying to use the lowest setting on the Glade plug in in a very large room.) The question is, how subtle or intense do you want the aroma to be in the room? If you prefer a more intense aroma, the Air Wick would likely be the better choice for you.

up to 30 days Continuous fragrance for any size room is just an outlet away with Glade Plugins Scented Oils. With each fragrance refill lasting up to 30 days, on low setting, simply plug in the warmer for long-lasting fragrance that's adjustable to fill any room in your home with your favorite Glade fragrances.

It is important that you know that all of our PlugIns products are safe and will not cause fires. We know this because PlugIns products have been sold for more than 15 years and hundreds of millions of the products are being used safely.

These air freshener refills are sold as a 4-pack. This product fits Glade Plugins and Air Wick Scented Oil warmer. Create a pleasant aroma in any room with Great Value Scented Oil Refills.

The best air freshener plug-ins

1. Pura Smart Fragrance Diffuser, $45. Pura. Get smart and get rid of smell with this home diffuser.
2. Glade PlugIns, prices vary. Amazon. If you love to set it and forget it, then the Glade PlugIn line is for you.
3. Enviroscent Plug Hub Starter Kit, $14. Enviroscent.

By turning the dial to more and less fragrance on the gold top of the Glade® oil warmer, you increase (clockwise) and decrease (counter clockwise) the amount of fragrance by bringing the heating element closer to and farther away from the wick increasing and decreasing vaporization and evaporation.

one A variety of Glade PlugIns scents are available for your air freshener PlugIn, so pick up one for every room and enjoy your favorite fragrances in every room of your home. *Up to 550 sq. ft. Our plastic outer packaging contains at least 50% post-consumer recycled materials, and our paperboard packaging is recyclable.

Plug in fresheners mask odours but also contribute to the inhalation of chemicals and volatile substances that have been known to cause cancer, fetal deformities, breathing problems, allergic reactions, etc..

NOW, OUR TOP PICKS FOR SUSTAINABLE, NON-TOXIC AIR AND FABRIC FRESHENERS:

1. Grow Fragrance. Type: Air & Fabric Spray Bottle Fresheners.
2. Scent Fill. Type: Air-Wick Plug-In Refills.
3. Fresh Wave. Type: Odor Eliminating Gels, Air & Fabric Freshener Sprays.
4. P.F. Candle Co.
5. Grab Green.
6. Friendsheep Wool.
7. Enviroscent.
8. Citrus Magic.

Each warmer is independently designed. Needless to say, competitor friendly products are not in the design plan. Each warmer is mechanically designed to lock the refill in place and precisely align refill wick to the heating element, so that heating evaporation can occur.

A: Airwick refill will fit into a Glade dispenser, though the canister is about 3/16" shorter than the Glade refill. A Glade refill will NOT fit into an Airwick dispenser for the very same reason.

Our top pick is the Pura Smart Fragrance Diffuser, a plug-in air freshener that stands out for its range of scents, customization options, and smart home compatibility.