Genuine PuroAir 100i Replacement Filters
For the best performance, always choose authentic PuroAir 100i HEPA replacement filters. Each filter is engineered specifically for the 100i purifier, ensuring a precise fit, smooth airflow, and proper seal integrity. With genuine PuroAir filters, your 100i delivers optimal HEPA and CarbonTech™ activated carbon performance to keep your home fresh and healthy.
What Makes PuroAir Filters Different
3-Layer Filtration System
Pre-Filter
Screens larger particles like dust³, pet hair, carpet fibers and lint.
HEPA Layer
Filters up to 99.9% of common indoor pollutants like pollen⁴, pet dander⁴, smoke⁴ particles, and fine dust³.
CarbonTech™ Activated Carbon
Helps reduce odors¹, smoke⁴ from cooking, pets, and cleaning products.
How Long Does a Filter Last?
For best results, replace your filter about every 90 days or 3 months. Regular replacement helps maintain:
- Strong airflow
- Peak purifier performance
- Better odor¹ control
- Consistent filtration efficiency
Usage, pets, smoke, and indoor air quality may shorten filter life.
Easy to Replace
Changing your 100i HEPA filter takes just minutes:
- Remove the old filter
- Discard the plastic bag from the genuine PuroAir 100i replacement filter and insert into the PuroAir 100i air purifier
- Reset your filter indicator (if applicable)
No washing. No mess. No complicated setup.
Not Washable
PuroAir filters are disposable by design. Washing can damage the HEPA and CarbonTech™ activated carbon filter media and reduce performance. Always replace instead of reusing.
Cost Per Month
Replacing your filter every 90 days helps break the cost into a simple monthly expense for cleaner air and better performance.
Want to save more? Join the subscription program for:
- Save up to 25% on filters
- Free shipping
- Filters delivered on time
- Lifetime warranty with active subscription
- Rewards on every order
Why Choose Genuine PuroAir Filters vs. Knockoffs
Genuine PuroAir 100i Filters
- Designed specifically for PuroAir 100i air purifiers
- Proper seal for better airflow
- Verified HEPA + carbon performance¹
- Stronger odor¹ and smoke⁴ reduction
- Built to last through the full replacement cycle
Generic Knockoffs
- Poor fit may allow air bypass
- Lower-grade materials
- Weak carbon layers
- Faster clogging or breakdown
- Inconsistent results
A cheap generic filter can end up costing more by reducing airflow, weakening performance, straining your purifier, and needing to be replaced more often.
Keep Your PuroAir 100i Purifier Performing Its Best
Fresh filter. Strong airflow. Cleaner air. Choose genuine PuroAir 100i replacement filters.