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Flex 45i True HEPA Replacement Filter Compatible with BreatheSmart 45i or Flex Air Cleaner Purifier with 2 HEPA Filter and 2 Carbon Pre-Filter, Part # B4-Fresh
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Flex 45i True HEPA Replacement Filter Compatible with BreatheSmart 45i or Flex Air Cleaner Purifier with 2 HEPA Filter and 2 Carbon Pre-Filter, Part # B4-Fresh

Amazon Price History

This is our record of Amazon price changes for Flex 45i True HEPA Replacement Filter Compatible with BreatheSmart 45i or Flex Air Cleaner Purifier with 2 HEPA Filter and 2 Carbon Pre-Filter, Part # B4-Fresh (B0BKQHCY33) since we began monitoring it.

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Amazon (Dec 01, 2025) (Dec 01, 2025) 0,00 € (Dec 01, 2025)

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Dec 01, 2025 04:03 PM

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45i True HEPA Replacement Filter Compatible with BreatheSmart Flex and 45i Air Purifier, 2 H13 True HEPA Filters with 2 Carbon Pre-Filters, B4-Pure Filter Part # B4-Fresh / FL40-Silver-Carbon, 2 Pack
45i True HEPA Replacement Filter Compatible with BreatheSmart Flex and 45i Air Purifier, 2 H13 True HEPA Filters with 2 Carbon Pre-Filters, B4-Pure Filter Part # B4-Fresh / FL40-Silver-Carbon, 2 Pack
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45I Replacement Filter Set Compatible with Alen Air Purifier Filter Replacement Breathesmart 45i or Flex, 3 Stages H13 True HEPA Air Cleaner, Part # B4-Fresh / FL40-Silver-Carbon Remove Odor, 1 set
45I Replacement Filter Set Compatible with Alen Air Purifier Filter Replacement Breathesmart 45i or Flex, 3 Stages H13 True HEPA Air Cleaner, Part # B4-Fresh / FL40-Silver-Carbon Remove Odor, 1 set
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Fette Filter -45i Premium True HEPA Replacement Filter, Compatible with Alen BreatheSmart Flex 45i Air Purifier Only, 3 Pre-Filter Replacements, Compare to Part # B4-Fresh & FL40-Silver-Carbon - Pack of 1+3
Fette Filter -45i Premium True HEPA Replacement Filter, Compatible with Alen BreatheSmart Flex 45i Air Purifier Only, 3 Pre-Filter Replacements, Compare to Part # B4-Fresh & FL40-Silver-Carbon - Pack of 1+3
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45i Replacement Filter for Breathesmart Flex Bh400 45i Air Purifier H13 Grade True Hepa Fresh Filter B4-Pure / Fl40
45i Replacement Filter for Breathesmart Flex Bh400 45i Air Purifier H13 Grade True Hepa Fresh Filter B4-Pure / Fl40
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True HEPA Replacement Filter, Compatible with Alen BreatheSmart Flex and 45i Air Purifier, H13 Grade True HEPA, Plus 3 Replaceable Pre-Filters, Part # B4-Fresh (1-Pack)
True HEPA Replacement Filter, Compatible with Alen BreatheSmart Flex and 45i Air Purifier, H13 Grade True HEPA, Plus 3 Replaceable Pre-Filters, Part # B4-Fresh (1-Pack)
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Nispira True HEPA Filter Replacement Compatible with Alen BreatheSmart 45i or BreatheSmart Flex Air purifier. Compared to Part B4-Odor, 1 Pack
Nispira True HEPA Filter Replacement Compatible with Alen BreatheSmart 45i or BreatheSmart Flex Air purifier. Compared to Part B4-Odor, 1 Pack
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HEPA 13 Filter for Alen BreatheSmart Fit50, Replacement for Alen Air Purifier Filter Fit50, Allen BreatheSmart Air Purifier Fit50 & Alen BreatheSmart Filter
HEPA 13 Filter for Alen BreatheSmart Fit50, Replacement for Alen Air Purifier Filter Fit50, Allen BreatheSmart Air Purifier Fit50 & Alen BreatheSmart Filter
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Ture HEPA 45i Replacement Filter, Compatible with Alen BreatheSmart Flex &45 i air purifier, Compared # B4-Fresh/FL40-Silver-Carbon, 2 Pack HEPA Filter+4 Pre Filter
Ture HEPA 45i Replacement Filter, Compatible with Alen BreatheSmart Flex &45 i air purifier, Compared # B4-Fresh/FL40-Silver-Carbon, 2 Pack HEPA Filter+4 Pre Filter
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PUREBURG Replacement True HEPA Filter Set Compatible with Alen BreatheSmart Air Purifier 45i / Flex,Part Number B4-Fresh / FL40-Silver-Carbon,H13 High-efficiency Activated carbon,2-Pack
PUREBURG Replacement True HEPA Filter Set Compatible with Alen BreatheSmart Air Purifier 45i / Flex,Part Number B4-Fresh / FL40-Silver-Carbon,H13 High-efficiency Activated carbon,2-Pack
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PUREBURG Replacement True HEPA Filter Set Compatible with Alen BreatheSmart Air Purifier 45i / Flex,Part Number B4-Fresh / FL40-Silver-Carbon, H13 4-Stage Filtration High-efficiency Activated Carbon
PUREBURG Replacement True HEPA Filter Set Compatible with Alen BreatheSmart Air Purifier 45i / Flex,Part Number B4-Fresh / FL40-Silver-Carbon, H13 4-Stage Filtration High-efficiency Activated Carbon
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45i Filter Replacement Compatible with Alen BreatheSmart 45i or Flex Air Purifier 1 Pack Filter
45i Filter Replacement Compatible with Alen BreatheSmart 45i or Flex Air Purifier 1 Pack Filter
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Alen BF35 Silver Carbon Air Purifier Replacement Filter for BreatheSmart Classic - True HEPA Filter for Air Purifier for Pet Odor, Fur, & Dander, Long-Lasting Pure Air Filter (1 Air Purifier Filter)
Alen BF35 Silver Carbon Air Purifier Replacement Filter for BreatheSmart Classic - True HEPA Filter for Air Purifier for Pet Odor, Fur, & Dander, Long-Lasting Pure Air Filter (1 Air Purifier Filter)
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2-Pack Fit50 True HEPA Replacement Filter Compatible with A len FF50 for BreatheSmart Fit50 Purifier, 2×3-in-1 H13 True HEPA Filters + 2×Pre-Filters（Carbon & True HEPA Filter Version）
2-Pack Fit50 True HEPA Replacement Filter Compatible with A len FF50 for BreatheSmart Fit50 Purifier, 2×3-in-1 H13 True HEPA Filters + 2×Pre-Filters（Carbon & True HEPA Filter Version）
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Alen BF35 MP Air Purifier Replacement Filter for BreatheSmart Classic, True HEPA Filter for Air Purifier for Dust, Pollen, Odor & Small Particles, Long-Lasting Pure Air Filter (1 Air Purifier Filter)
Alen BF35 MP Air Purifier Replacement Filter for BreatheSmart Classic, True HEPA Filter for Air Purifier for Dust, Pollen, Odor & Small Particles, Long-Lasting Pure Air Filter (1 Air Purifier Filter)
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[2 SETS] BF35 Filter Replacement Set Compatible with Alen Air Purifier Filter Replacement BF35 for BreatheSmart Classic H13 True HEPA Air Cleaner for Home and Large Room, Include 2 HEPA and 2 Pre-filter
[2 SETS] BF35 Filter Replacement Set Compatible with Alen Air Purifier Filter Replacement BF35 for BreatheSmart Classic H13 True HEPA Air Cleaner for Home and Large Room, Include 2 HEPA and 2 Pre-filter
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BS-03 True HEPA Replacement Filter for PARTU BS-03 Air Purifier Part U, Part X and Slevoo BS-03 HEPA Air Purifier, 3-in-1 filtration with H13 True HEPA Filter, Activated Carbon Filter, Pack of 2
BS-03 True HEPA Replacement Filter for PARTU BS-03 Air Purifier Part U, Part X and Slevoo BS-03 HEPA Air Purifier, 3-in-1 filtration with H13 True HEPA Filter, Activated Carbon Filter, Pack of 2
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Alen BreatheSmart 45i/FLEX H13 True HEPA Replacement Filter - Medical-Grade Air Filter- Captures Allergens, Dust, Mold, and Germs, 700-800 SqFt Coverage - 99.9% Airborne Particle Removal
Alen BreatheSmart 45i/FLEX H13 True HEPA Replacement Filter - Medical-Grade Air Filter- Captures Allergens, Dust, Mold, and Germs, 700-800 SqFt Coverage - 99.9% Airborne Particle Removal
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Alen BreatheSmart 45i/FLEX H13 True HEPA Replacement Filter-Medical-Grade Air Filter-700-800 SqFt Coverage- 99.9% Airborne Particle Removal-Captures Allergens, Dust, Mold, Germs, VOCs, Household Odors
Alen BreatheSmart 45i/FLEX H13 True HEPA Replacement Filter-Medical-Grade Air Filter-700-800 SqFt Coverage- 99.9% Airborne Particle Removal-Captures Allergens, Dust, Mold, Germs, VOCs, Household Odors
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Fette Filter - FLT5600 True HEPA Air Purifier Replacement Filter Compatible with GermGuardian FLT5600 True HEPA H13 Filter N for GermGuardian Purifier AC5600 AC5600WDLX AC5600W - 2 True Hepa & 2 Activated Carbon Filter.
Fette Filter - FLT5600 True HEPA Air Purifier Replacement Filter Compatible with GermGuardian FLT5600 True HEPA H13 Filter N for GermGuardian Purifier AC5600 AC5600WDLX AC5600W - 2 True Hepa & 2 Activated Carbon Filter.
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Nispira True HEPA Filter Carbon Pre Filter Compatible with Alen BreatheSmart T500 Tower Air Purifier. Compared to Part TF60, 2 Packs
Nispira True HEPA Filter Carbon Pre Filter Compatible with Alen BreatheSmart T500 Tower Air Purifier. Compared to Part TF60, 2 Packs
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BF35 True HEPA Filter Replacement Compatible with A-len BF35 BreatheSmart Classic Air Purifier for Large Room, 1 Pack BF35 HEPA Filter Replacement with Activated Carbon
BF35 True HEPA Filter Replacement Compatible with A-len BF35 BreatheSmart Classic Air Purifier for Large Room, 1 Pack BF35 HEPA Filter Replacement with Activated Carbon
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BF35 Silver Carbon HEPA Filter Replacement Compatible with A-len BreatheSmart Classic BF35 Air Purifier, 2 x HEPA Filters + 2 × Carbon Pre-Filters
BF35 Silver Carbon HEPA Filter Replacement Compatible with A-len BreatheSmart Classic BF35 Air Purifier, 2 x HEPA Filters + 2 × Carbon Pre-Filters
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Alen BreatheSmart 45i HEPA Air Purifier With Pure Filter, Captures Allergens, Dust, Mold, and Germs. Smart Home Essentials for Primary Bedrooms, Home Office, Home Gyms and other rooms up to 800 sq. Ft
Alen BreatheSmart 45i HEPA Air Purifier With Pure Filter, Captures Allergens, Dust, Mold, and Germs. Smart Home Essentials for Primary Bedrooms, Home Office, Home Gyms and other rooms up to 800 sq. Ft
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Nispira True HEPA Filter Replacement with Activated Carbon Compatible with Fridababy Air Purifier, Meleden Air Purifier, RIGOGLIOSO Air Purifier GL-2103, JINPUS Air Purifier LTLKY Filter 900S,2103, 4 Packs
Nispira True HEPA Filter Replacement with Activated Carbon Compatible with Fridababy Air Purifier, Meleden Air Purifier, RIGOGLIOSO Air Purifier GL-2103, JINPUS Air Purifier LTLKY Filter 900S,2103, 4 Packs
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HAPF360 Type J Air Replacement Filter Compatible with Holmes True HEPA 360 Air Purifier HPA360W and Bionaire True HEPA 360° Air Purifier, Also Fit BCP air purifier 2 Pack
HAPF360 Type J Air Replacement Filter Compatible with Holmes True HEPA 360 Air Purifier HPA360W and Bionaire True HEPA 360° Air Purifier, Also Fit BCP air purifier 2 Pack
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PUREBURG Replacement True HEPA Filter Compatible with Holmes True HEPA 360 Air Purifier HPA360W, also Compatible with Bionaire True HEPA 360° Air Purifier, 4-Stage Filtration High-efficiency, 2-Pack
PUREBURG Replacement True HEPA Filter Compatible with Holmes True HEPA 360 Air Purifier HPA360W, also Compatible with Bionaire True HEPA 360° Air Purifier, 4-Stage Filtration High-efficiency, 2-Pack
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True HEPA Filter Replacement, Compatible with OV200 Air Cleaner Purifier, Including 1 True HEPA Filter, 1 Activated Carbon Filter, and 4 Extra Pre-Filters, Part # RF200
True HEPA Filter Replacement, Compatible with OV200 Air Cleaner Purifier, Including 1 True HEPA Filter, 1 Activated Carbon Filter, and 4 Extra Pre-Filters, Part # RF200
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8L HEPA Filter Replacement Compatible with Okaysou AirMax 8L Air Purifier, High-Efficiency True HEPA Filter with activated carbon filter, 2 set (2 x True HEPA Filter + 2 x Activated Carbon Filter)
8L HEPA Filter Replacement Compatible with Okaysou AirMax 8L Air Purifier, High-Efficiency True HEPA Filter with activated carbon filter, 2 set (2 x True HEPA Filter + 2 x Activated Carbon Filter)
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8L HEPA Filter Replacement Compatible with Okaysou AirMax 8L Air Purifier, High-Efficiency True HEPA Filter with activated carbon filter, 3 set (3 x True HEPA Filter + 3 x Activated Carbon Filter)
8L HEPA Filter Replacement Compatible with Okaysou AirMax 8L Air Purifier, High-Efficiency True HEPA Filter with activated carbon filter, 3 set (3 x True HEPA Filter + 3 x Activated Carbon Filter)
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XP360 Replacement Filter Compatible with Purafide XP360 Air purifier Filter Replacement (with 1 True HEPA Filter + 1 Activated Carbon Filter+4 Carbon Pre-Filters) (XP360 Air purifier Filter)
XP360 Replacement Filter Compatible with Purafide XP360 Air purifier Filter Replacement (with 1 True HEPA Filter + 1 Activated Carbon Filter+4 Carbon Pre-Filters) (XP360 Air purifier Filter)
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