Top 10 Box Fan Filter – Household Fans
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If you should run into any issues with your fan filter just let us know and we will make it right, no questions asked. Compatible design – fit fan frames 205" x 205" lasko box fan models b20200 2301 3733 B20401.
No more dirty fan blades and dust clogged fan covers. Manufacturers guarantee – pollentec filters are made right here in the usa and are backed by our no hassle money back guarantee. Environmentally friendly – our fan filter was designed to be reusable, once dirty, simply vacuum or remove the filter and spray clean.

Compatible design – for lasko box fan models b20200, 2301, 3733. Environmentally friendly – our fan filter was designed to be reusable, once dirty, simply vacuum or remove the filter and spray clean.
Breathe healthy – our box fan filter is specially designed to capture dust, pet dander and more, giving you piece of mind that you and your family are breathing clean, pollen, pure air. Manufacturers guarantee – pollentec filters are made right here in the usa and are backed by our no hassle money back guarantee.



5 year limited warranty. Reversible airflow : manually reverse the fan to intake fresh cool air, exhaust hot stale air or exchange for full room circulation.

Smoke eater & odor killer - charcoal foam Filter and Granular Activated Carbon Filter Bring 2x absoption for heavy smoke odor and other nasty smell.
Pre-filter and mesh scaffoid are designed for supporting and prolong main filter's life. No light design helps sleep in dark night. Ensure sound sleep - noise is merely 32db at the lowest mode which will not affect you during work, study, sleep, meeting. High quality personal hepa filter - remove 99. 9% of particles as small as 03 microns such as airbone allergy, pollen, dust, mold.

Breathe clean air--it can offer you a fresher and healthier environment by its particular air purifying function and Removable washable filter. 5 in 1 air cooler and heater--this air cooler and heater is multifunctional. Customize your cooling--with a 8 hour timer, 3 fan modes and speeds, swing feature, you have plenty of options to get the perfect level of comfort.
This product is not for sale in california. It also comes with a remote control which enables you to control all the air cooler’s power, timer and wind settings from anywhere in the room. The superb honeycomb cooling pad and two ice crystal boxes ensure a high level of cooling. It can be used as air cooler, humidifier, heater, and air purifier. The compact and lightweight air cooler is easy to carry and storage, and fits discreetly in most spaces. It is ideal for using in home, fan, office, dormitory and so on.

Safe and durable construction: The high-performance blades on these industrial fans allow for smooth operation and are covered with a safety grill for protection while in use.
1. AC Safe
#ad
AC Safe FF-20 20" box Fan Filter, white
#adAC Safe #ad - Washable and Reusable. Included Components: Fastening clips. Fits 20" Box fans. Helps reduce Allergens and Pet Dander. Can be trimmed for custom fit. Prevents dust from blowing through the room. Easy to install.More information #ad
Brand | AC Safe #ad |
Manufacturer | AC Safe #ad |
Height | 12 Inches |
Length | 6 Inches |
Width | 1.63 Inches |
Part Number | FF-20 |
Model | FF-20 |
Warranty | Na. |
More information #ad
2. Dust Control
#ad
60 Day Filtration Set of 2: Box Fan Not Included, 20" x 20" Microfiber Filters for Box Fans
#adDust Control #ad - Box fan not included. Helps remove dust, dirt, pollen, pet hair, smoke and odors. Creates a healthier environment - 60 day filtration. Easy installation. Microfiber cover fits 20" x 20" standard box fans - Set of 2.More information #ad
Brand | Dust Control #ad |
Manufacturer | BOX FAN FILTERS #ad |
Part Number | 1401BF2 |
Model | 1401BF2 |
More information #ad
3. Pollentec
#ad
Reusable Washable Design Compatible with Lasko Models B20200 2301 3733 B20401 Frame size 20.5 x 20.5, PollenTec Box Fan Filter, Filters Airborne Pollen Dust Mold Spores Pet Dander
#adPollentec #ad - Washing instructions are included and our durable design means you can wash your filter again and again. Fan longevity – dust buildup is a leading cause of motor failure, stop having to purchase new fans every summer by stopping the dust and debris before it enters the fan.If you should run into any issues with your fan filter just let us know and we will make it right, no questions asked. Compatible design – fit fan frames 205" x 205" lasko box fan models b20200 2301 3733 B20401.
More information #ad
Breathe healthy – our box fan filter is specially designed to capture dust, pollen, giving you piece of mind that you and your family are breathing clean, pet dander and more, pure air. No more dirty fan blades and dust clogged fan covers. Manufacturers guarantee – pollentec filters are made right here in the usa and are backed by our no hassle money back guarantee. Environmentally friendly – our fan filter was designed to be reusable, once dirty, simply vacuum or remove the filter and spray clean.
Brand | Pollentec #ad |
Manufacturer | Pollentec #ad |
Weight | 0.06 ounces |
Part Number | FBBF-UF-20 |
Model | FBBF-UF-20 |
More information #ad
4. PollenTec
#ad
Effective Filtering Screen for Pollen, Mold Spores and Pet Dander, Compatible with Lasko Models B20200, 2301, Dust, 3733 Made in USA, PollenTec Box Fan Air Filter, Reusable Washable Design
#adPollenTec #ad - Fan longevity – dust buildup is a leading cause of motor failure, stop having to purchase new fans every summer by stopping the dust and debris before it enters the fan. If you should run into any issues with your fan filter just let us know and we will make it right, no questions asked.Compatible design – for lasko box fan models b20200, 2301, 3733. Environmentally friendly – our fan filter was designed to be reusable, once dirty, simply vacuum or remove the filter and spray clean.
More information #ad
No more dirty fan blades and dust clogged fan covers. Washing instructions are included and our durable design means you can wash your filter again and again. Breathe healthy – our box fan filter is specially designed to capture dust, pet dander and more, giving you piece of mind that you and your family are breathing clean, pollen, pure air. Manufacturers guarantee – pollentec filters are made right here in the usa and are backed by our no hassle money back guarantee.
Brand | PollenTec #ad |
Manufacturer | PollenTec #ad |
Height | 0.5 Inches |
Length | 20 Inches |
Weight | 0.14 Pounds |
Width | 20 Inches |
Part Number | FB-BF-20 |
Model | FB-BF-20 |
More information #ad
5. WEN
#ad
WEN 3410 3-Speed Remote-Controlled Air Filtration System 300/350/400 CFM
#adWEN #ad - Includes a 1-micron filter and a 5-micron pre-filter, both of which can be easily replaced. Circulate the air in a 400 square foot room up to 7. 5 times per hour. Remote control allows users to set timer, change speed and power the unit on and off from up to 26 feet away.More information #ad
Programmable timer automatically shuts unit off after set number of minutes. Three-speed operation flows air at a rate of 300, 350, or 400 cubic feet per minute.Brand | WEN #ad |
Manufacturer | Great Lakes Tool MFG INC #ad |
Height | 10 Inches |
Length | 17 Inches |
Weight | 31 Pounds |
Width | 20.5 Inches |
Part Number | 3410 |
Model | 3410 |
Warranty | 2 year |
More information #ad
6. Gizmo Breeze
#ad
Gizmo Breeze Fan Filter Attachments for 20 inch Box Fans
#adGizmo Breeze #ad - Great pleated mERV8 filter for maximum air flow. This product will not fit a 22", 24", or 26" box fan, and "or fans with controls on the back!". Our simple cardboard frame design uses simple magnetic attachment flaps for a great fit and look.More information #ad
The included replaceable filter, is widely available anywhere furnace filters are sold. Gizmo breeze is the number 1 choice for easy to use, indoor air filtration.Brand | Gizmo Breeze #ad |
Manufacturer | Gizmo Folks LLC #ad |
Height | 1 Inches |
Length | 20 Inches |
Weight | 1 Pounds |
Width | 20 Inches |
Part Number | B00Y11WXOA |
Model | B00Y11WXOA |
More information #ad
7. HOLMES
#ad
Bionaire BWF0502M-WM Thin Window Fan, White
#adHOLMES #ad - Firm fit locking extender screen. Designed for use either horizontally or vertically. The thermostat will remember the previous temperature setting after the unit has been turned off.5 year limited warranty. Reversible airflow : manually reverse the fan to intake fresh cool air, exhaust hot stale air or exchange for full room circulation.
More information #ad
However, if the unit is unplugged, the thermostat will be reset and will no longer remember the previous temperature setting. Note: kindly refer the User Manual available below for assistance. Adjustable thermostat & manually reversible airflow. 3 independently controlled comfort settings.Brand | HOLMES #ad |
Manufacturer | Bionaire #ad |
Height | 9.2 Inches |
Length | 27 Inches |
Weight | 6.5 Pounds |
Width | 6.6 Inches |
Part Number | BWF0502M-WM |
Model | BWF0502M-WM |
Warranty | 5 year limited warranty. |
More information #ad
8. LEVOIT
#ad
100% Ozone Free, LEVOIT HEPA Air Purifier for Home, Reduce 99.9% Allergy Dust Pollen Pet Dander, Available for California, Smoke Cleaner w/Dual Activated Carbon Filter for Bedroom Office Dorm
#adLEVOIT #ad - Budget-friendly choice - genuine levoit replacement filter is quite affordable, easily obtainable under 14 dollars Search for: lvh126 rf, levoit 126 filter or B07DVTR1H7. Compact but powerful - 30 minutes to feel different in small room size≤161 sq ft²/15 m² when put on the desk and switch to speed Level 3.Smoke eater & odor killer - charcoal foam Filter and Granular Activated Carbon Filter Bring 2x absoption for heavy smoke odor and other nasty smell.
More information #ad
Fit for bedroom, office, dorm etc. A brand new filter set can last 6-8 months. Etl listed, fcc certified, CARB approved. Safety assurance - 100% ozone free; no essential oil sponge design and will not be toxic to cats. Pre-filter and mesh scaffoid are designed for supporting and prolong main filter's life. No light design helps sleep in dark night. Ensure sound sleep - noise is merely 32db at the lowest mode which will not affect you during work, study, sleep, meeting. High quality personal hepa filter - remove 99. 9% of particles as small as 03 microns such as airbone allergy, pollen, dust, mold.
Brand | LEVOIT #ad |
Manufacturer | LEVOIT #ad |
Height | 7.9 Inches |
Length | 10.5 Inches |
Width | 6.8 Inches |
Part Number | 817915023600 |
Model | LV-H126 |
Warranty | 2-year warranty. |
More information #ad
9. COSTWAY
#ad
COSTWAY Air Cooler and Heater, Evaporative Cooler and Heater for Indoor, Home Office Dorms, Compact Portable Air Conditioner with Fan Filter Humidifier Ice Crystal Box Remote Control
#adCOSTWAY #ad - Electronic display & remote control--user-friendly lcd control panel lets you easily see what speed, mode and timer option you chose. 4 caster wheels make it easy to move your unit from room to room. It reduces temperature through water evaporation and increase temperature by PTC heater.Breathe clean air--it can offer you a fresher and healthier environment by its particular air purifying function and Removable washable filter. 5 in 1 air cooler and heater--this air cooler and heater is multifunctional. Customize your cooling--with a 8 hour timer, 3 fan modes and speeds, swing feature, you have plenty of options to get the perfect level of comfort.
More information #ad
It will release a large quantity of anions which remove airborne pollutants such as allergens, mold, pollen, dust, pet dander, unpleasant odors, smoke, and other airborne irritants. This product is not for sale in california. It also comes with a remote control which enables you to control all the air cooler’s power, timer and wind settings from anywhere in the room. The superb honeycomb cooling pad and two ice crystal boxes ensure a high level of cooling. It can be used as air cooler, humidifier, heater, and air purifier. The compact and lightweight air cooler is easy to carry and storage, and fits discreetly in most spaces. It is ideal for using in home, fan, office, dormitory and so on.
Brand | COSTWAY #ad |
Manufacturer | COSTWAY #ad |
Height | 29.5 Inches |
Length | 15 Inches |
Weight | 17 Pounds |
Width | 11 Inches |
Part Number | 23664-CYPE-1 |
Model | 23664-CYPE-1 |
More information #ad
10. CCC COMFORT ZONE
#ad
Comfort Zone CZ200ABK 20" 3-Speed Box Fan for Full-Force Air Circulation with Air Conditioner, Black
#adCCC COMFORT ZONE #ad - Lightweight convenience: a practical industrial fan for garage, home or office use, it has a lightweight design and convenient carry handle for easy transport.Safe and durable construction: The high-performance blades on these industrial fans allow for smooth operation and are covered with a safety grill for protection while in use.
More information #ad
3-speed fan control: rotary 3-speed fan control makes it easy to optimize air circulation and airflow to suit any home or workspace. Saves money and energy: this 3-speed box fan helps save money and reduce energy consumption by assisting air conditioners with full-force air circulation.Brand | CCC COMFORT ZONE #ad |
Manufacturer | World and Main #ad |
Height | 22 Inches |
Length | 21 Inches |
Weight | 7.75 Pounds |
Width | 5 Inches |
Part Number | CZ200ABK |
More information #ad