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Product guide

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.
Price
$24.99Save 50%

Reference price: $49.99

Price checked: Nov 14, 2026

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Pros 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
Identity
BrandPulluty
Model45i
Dimensions and weight
Listed package dimensions14.61 x 11.69 x 5.39 inches
Weight listed2.7 pounds
Compatibility and filter details
Compatible purifier models, as listedAlen BreatheSmart 45i / Flex Air Purifier
HEPA filter type, as claimedH13 True HEPA
Number of pieces8
Suggested HEPA replacement interval6-8 months
Suggested carbon pre-filter replacement interval2-3 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

4.2 / 5 · 35 ratings
  • 5 stars59%59%
  • 4 stars18%18%
  • 3 stars7%7%
  • 2 stars16%16%
  • 1 star0%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.

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