AIRx Replacement Filter Kit for Alen® 45i Air Cleaners, 2-Pack

Model: AXPPF191 / Part: #201819

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  •  Free Returns
  •  100% Compatibility Guarantee
  • AIRx Replacement Filter kit for Alen® 45i Purifiier
  • Replace filter at least twice annually
  • AIRx Replacement filters are guaranteed to match original equipment performance and fit
  • Each filter kit includes one (1) HEPA filter and four (4) carbon prefilters
TOTAL $113.93 ( 2 Pack for $0.00 each )

In Stock

2026-05-12

AIRx filters are designed and built to the same fit and performance specifications as the original filters that came with your purifier. Performance and fit are guaranteed, backed by our 100% Money-Back Guarantee.   

  • Traps airborne allergens like dust, pollen, mold spores, pet dander
  • Cost effective alternative to expensive factory part
  • Each filter kit includes one (1) HEPA filter and four (4) carbon prefilters
  • Replaces Filter for Alen® 45i Purifiiers
  • HEPA layer captures 99.97% of particles
  • Activated carbon layer removes odors, chemicals, VOCs
  • Improves air quality
  • Replace filter every 6 months
  • HEPA Filter Dimensions - 11-1/8" x 14-1/8" x 1-15/16"  / Carbon Prefilter Dimensions - 10-3/4" X 13-7/8" X 1/16"
  • Note: this filter is NOT manufactured by Alen

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Replaces These Filters:

Alen:
45i
B4
B4-Fresh
B4-Odor
B4-Pure
BreatheSmart Flex
FL40
FL40-MP
Allen: BreatheSmart 45i

Fits In These Systems:

Alen:
45i
BreatheSmart 45i
BreatheSmart Flex

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