This is our standard four stage filter. The main filter and pre-filter can be replaced, removing what other filters do not, meaning fresher air with each change at a fraction of the cost. It also contains more than 6-8 times more GAC carbon than typical pre filters.

• Filter arrives complete, with exclusive pre-filter that captures down to the micron!
• Fresher air, not filtered through aging pollen, mold, allergens, etc, with each filter change, as low as $5.25
• 100% Made in the USA!!!
• Filter is on a sturdy polymer frame, which is reusable to lessen our impact on the environment

Filter arrives complete, with exclusive pre-filter that captures down to the micron!Nextron Products