
Pulluty 45i Replacement Filters for Alen BreatheSmart 45i and Flex
Pulluty 45i replacement filters are listed as compatible with Alen BreatheSmart 45i and Flex air purifiers. The set combines two H13 True HEPA filters with six activated carbon filters, so buyers should confirm their purifier model and plan for different replacement intervals for each filter type.
At a glance
- Listing states compatibility with Alen BreatheSmart 45i and Flex air purifiers.
- The claimed set has two H13 True HEPA filters and six activated carbon filters.
- Suggested replacement schedules differ by filter type and depend on usage and environment.
Reference price: $49.99
Price checked: Nov 14, 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- Two HEPA filters and six carbon filters provide multiple replacements in one set.
- Separate suggested intervals help buyers plan replacements for the two filter types.
Technical specifications
9 specifications| Brand | Pulluty |
|---|---|
| Model | 45i |
| Listed package dimensions | 14.61 x 11.69 x 5.39 inches |
|---|---|
| Weight listed | 2.7 pounds |
| Compatible purifier models, as listed | Alen BreatheSmart 45i / Flex Air Purifier |
|---|---|
| HEPA filter type, as claimed | H13 True HEPA |
| Number of pieces | 8 |
| Suggested HEPA replacement interval | 6-8 months |
| Suggested carbon pre-filter replacement interval | 2-3 months |
What to know before buying
- The listing describes the set as compatible with Alen BreatheSmart 45i and Flex models. Confirm the exact purifier model before ordering. Suggested intervals are 6-8 months for HEPA filters and 2-3 months for carbon pre-filters, depending on use and environment.
Who is it for?
A good fit for
- Owners of a listed Alen BreatheSmart 45i or Flex purifier looking for a replacement set.
- Buyers who want separate HEPA and activated carbon filters in one package.
Less suited to
- Owners of purifier models other than the listed 45i or Flex unless compatibility is confirmed.
Customer reviews on Amazon
- 5 stars
59% 59% - 4 stars
18% 18% - 3 stars
7% 7% - 2 stars
16% 16% - 1 star
0% 0%
The supplied evidence contains aggregate ratings but no review-summary details, so it does not establish specific customer-perceived strengths or drawbacks. The ratings are somewhat positive overall but include a notable lower-star share. Buyers should weigh that limited signal against their need for the stated 45i or Flex compatibility and the two different filter replacement schedules.
Frequently asked questions
Which purifiers is this filter set listed for?
The listing names Alen BreatheSmart 45i and Flex air purifiers. Confirm your exact model before buying.
What is included in the set?
The listed package contains two H13 True HEPA filters and six activated carbon filters.
How often does the listing recommend replacing the filters?
It suggests replacing the HEPA filter every 6-8 months and the activated carbon pre-filter every 2-3 months, depending on usage and environment.
Alternative options

45i Replacement Filter for Al-en Breathesmart Flex Bh400 45i Air Purifier H13 Grade True HEPA Fresh Filter B4-Pure / Fl40
$30.77

45i Replacement Filter for Alen BreatheSmart Flex Bh400 & 45i Air Purifier | 3-in-1 45i HEPA Fresh Filter with Activated Carbon Pre-Filter, B4-Pure / Fl40, 1 Hepa Filter + 4 Carbon Filters
$29.99

HY4866 Replacement Filter for MORENTO HY4866, WESTHEY HY4866 Air Purifier | Also Fit for YIOU M1 Air Purifier, 3-in-1 H13 Ture HEPA Filters (Extra 4 Pre-filter) Enhanced Version for HY4866, 4 Pack
$29.99

AP-1512HH Air Purifier Replacement Filter Set for Coway Airmega AP-1512HH | Also for Airmega 200M Air Purifier, 1 HEPA and 2 Carbon Filters, Compared to Part #3304899
$20.69

HY4866 Replacement Filter for MORENTO HY4866, WESTHEY HY4866 Air Purifier | for YIOU M1 Air Purifier, 3-in-1 Filter with Activated Carbon Filter, for Smoke, Pollen, Dust, Enhanced Version, 2 Pack
$22.48

25 Filter MA HEPA Replacement for MA Air Purifier 25 Series S1/W1/B1 | 3-in-1 MA Air 25 True HEPA Activated Carbon Filter, 1 Set
$17.99

Vital 200S Pet Care Replacement Filter for LEVOIT Vital 200S-P Air Purifier | Vital 200S-RF-PA Efficient Particulate Activated Carbon Filter for Pet Dander, Pet Odors, Smoke, Pollen, 2 Pack, Yellow
$36.89

45i Filter Replacement Compatible with AIen 45i Air Cleaner | 3-Stage Filtration Sy...
$35.43

2-Pack 45i and Flex True Replacement Filter Compatible with old BreatheSmart Flex a...
$33.99

45i Replacement Filter, for Alen Breathe Smart Flex BH400 and 45i | Compatible with...
$23.88

2 Packs 45i Replacement Filters for BreatheSmart 45i & Flex BH400 Air Purifi-er, Pa...
$38.99

45i Replacement Filter For ALEN BreatheSmart Flex Bh400 45i Air Purifier | 3-in-1 4...
$25.99























