This dual filter layout allows the Bissell Butler to filter out contaminants before they enter the motor

thus saving energy

The Dyson quiet fan has an aerodynamic diffuser which creates separated airflow into controlled paths which makes for a more efficient journey for the air to the loop

Bissell Soft Body Upright Vacuum

[custom_html] This Odor Neutralizing HEPA Filter by EnviroCare is designed to replace the Royal Dirt Devil F15 vacuum filter used in a number of Dirt Devil Quick Vac series and other Dirt Devil series

Blueair Classic 405 Air Purifier with WiFi Blueair Filters This dual filter layout allows[custom_html] The Blueair Classic 405 air purifier is the right option for medium to large rooms. This popular stand alone model is designed for rooms 434 square feet or smaller and can remove 99. 97% of airborne particles including pollen, dust, pet dander, and other allergens down to 0. 1 micron. Three available settings provided whisper quiet operation, with the highest setting reaching only 52 dB(A). The Blueair Classic 405 Air purifier