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Hero image 0 of Lasko Air Flex 20" 3-Speed 2-in-1 Box Fan and Air Purifier in One, White, FF305, 0 of 17
Lasko Air Flex 20" 3-Speed 2-in-1 Box Fan and Air Purifier in One, White, FF305
Key item features
- Dual Functionality: Operates as both a powerful 20-inch box fan and an air purifier, engineered to work effectively with an air filter without overheating.
- Advanced Filtration: Includes a MERV10 / 42 CADR pleated air filter, capable of removing pollen, dust, and smoke, with customizable options for any standard 20 x 20 x 1-inch filter.
- Robust Construction: Features a durable steel body, tough UV-protected paint, and a Weather-Shield motor for reliable use, including in windows.
- Efficient Operation: Offers 3 energy-efficient speeds controlled by a top-mounted ergonomic knob, suitable for various spaces like workshops, bedrooms, and garages.
- Safety Features: Incorporates Lasko's trusted safety fuse technology, known as The Blue Plug, for enhanced user protection.
Generated by AI
Specs
- Clean air delivery rate2000 CFM
- Contaminants removedDust, Pollen, Smoke
- Filter typeElectrostatic
- Weight11 lb
- Speeds3
- Minimum efficiency reporting values (merv)10
Reviews summary
Pros
- : Made with robust materials and design.
- : Operates at a moderate sound level on lower settings.
- : Captures dust and allergens from the air.
- : Offers varying noise levels for customization.
Cons
- : Filter design compromises airflow, reducing overall performance.
Generated by AI
Current price is USD$74.99
Price when purchased online
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About this item
Product details
The Air Flex™ Air Purifier and Room Fan is both a premium box fan and powerful air cleaner in one. Unlike most box fans, which can overheat or break down when used with a filter, this fan was specifically engineered to work with a filter to powerfully clean the air in your room while providing a cooling breeze. Additionally, this portable fan was designed to stand up to tough use with durable construction, UV color protection paint, and a Weather-Shield motor for worry free window use. The fan comes with a standard pleated filter that is rated to remove dust, smoke, and pollen from the air so allergy sufferers can breathe easier and feel more comfortable at home. Easily customize your clean air by using any standard 20 x 20 x 1-inch filter, available at home stores. Features steel body construction, premium fan blade for maximum air flow, ergonomic control knob, easy carry handle, and Lasko's trusted safety fuse technology. Made in the from domestic and imported parts.
- 2-in-1 powerful box fan PLUS air purifier
- Comes with MERV10 / 42 CADR pleated air filter
- Customize your clean air and cooling with any 20 x 20 x 1 inch filter
- Cleans pollen, dust, and smoke from the air
- Premium box fan with powerful, Weather-Shield motor for worry-free window use
- Specially-engineered motor for use with an air filter
- Durable steel body construction and tough, UV-protected paint for tough use
- 3 energy-efficient speeds and top-mounted ergonomic control knob
- Ideal for workshops, bedrooms, garages, and more
- Features The Blue Plug - Lasko's trusted safety fuse technology
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Clean air delivery rate
2000 CFM
Contaminants removed
Dust, Pollen, Smoke
Filter type
Electrostatic
Weight
11 lb
Warranty
Warranty information
2 year warranty
Warnings
State Chemical Disclosure
None
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Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Made with robust materials and design.
- : Operates at a moderate sound level on lower settings.
- : Captures dust and allergens from the air.
- : Offers varying noise levels for customization.
Cons
- : Filter design compromises airflow, reducing overall performance.
Generated by AI
Customer images
+9 images
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Showing 1-3 of 118 reviews
Aug 11, 2025
Shawn
5 out of 5 stars review
Verified Purchase
Easy, functional air filter.
Ease of use for filtering air in existing rooms using standard furnace filters. I MacGyvered one of these during the forst fires a few years ago with bubble wrap and packaging tape, and that allowed our sleeping room to have much better air quality. This is the same concept only built for this purpose. As I am doing a lot of sanding of floors now in our old house, I needed a method to keep the fine dust cleaned from the air as I'm working, and this fit the bill.
Helpful?25R57Z1VWHOW473758982
Aug 17, 2025
Richard
5 out of 5 stars review
Verified Purchase
A filter on a box fan is a good idea. It needs seals on the bottom though. As it is it's just weight holding the filter against the fan, No pressure can really flow that way.
Helpful?25R57Z1VWHOW473758982
Oct 17, 2025
Walmart customer
Top Reviewer
5 out of 5 stars review
Verified Purchase
Good product and it does its job
Great air cleaner. I used to during toom renovation and it really helped me to reduce dust from a room. For example cheapest Air Scrubber cost about $300 so win win
Helpful?25R57Z1VWHOW473758982
