Mbetter 211i Max Replacement Filters, 2-Pack

Pack: Mbetter 211i Max replacement filters are a two-filter set advertised for the Blue Pure 211i Max air purifier. The listing claims a HEPA and activated-carbon construction, but buyers should confirm their purifier model because several similar Blue models are explicitly excluded.

At a glance

Listed as compatible with the Blue Pure 211i Max only.
The listing describes a H13 True HEPA filter with activated carbon.
Manufacturer recommends replacement within 9 months, depending on actual usage.
Advertised AllergenBlock design claims to trap more than 90% of AllergenBlock particles.

Price

$52.24Save 16%

Reference price: ~~$61.99~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

411i & 411a Max AllergenBlock Filters for Blue Pure 411i Max 411a Max | Air Puri-fier, Activated Carbon Filters, 2 Pack

$38.24

Mbetter 2 Pack 311i Max AllergenBlock Filters for Blue Pure 311i Max | Air Puri-fier, Activated Carbon Filters, Replacement Part #F3MAX

$45.04

Pros and cons

Pros

Two replacement filters are listed, giving buyers a spare for a later replacement.
The claimed HEPA and activated-carbon combination is intended to address particles and odors.
Customer feedback reports good fit and straightforward installation.

Cons

The manufacturer says it is not compatible with several other Blue models, including the 211 and 311i Max.

Technical specifications

5 specifications

Identity
Brand	Mbetter
Model	211i max replacement filter

Dimensions and installation
Dimensions listed	10.04"L x 7.49"W x 20.66"Th
Weight listed	1.61 kg

Materials and filtration
Material listed	Activated Carbon Filter

What to know before buying

Listing details to confirm

Compatibility is stated for Blue Pure 211i Max, while the listing excludes Blue air 211, 211+ Auto, 311, 311 Auto, 311i Max, 311i+ Max, 411, 411 Auto, 411i Max, 511, 511i Max, and Mini Max. Confirm the exact purifier model. The claimed particle-trapping rate and room-air-exchange performance are manufacturer statements, not independently verified. Replacement timing is based on actual usage, with the listing suggesting within 9 months. Reset compatibility depends on whether the purifier has and supports a filter-reset function.

What’s in the box

2 replacement filtersCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Owners of a Blue Pure 211i Max seeking a two-filter replacement set.
Buyers looking for a listed combination of HEPA filtration and activated carbon.

Less suited to

Owners of any model the listing explicitly identifies as incompatible.
Buyers who need independently verified filtration or performance figures.

Mbetter 211i Max Replacement Filters, 2-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 148 ratings

5 stars77%77%
4 stars9%9%
3 stars3%3%
2 stars3%3%
1 star8%8%

Customer feedback highlights fit, ease of installation, and perceived value, with some customers describing the filters as better than the original. Reported performance is mixed, so buyers who depend on consistent filtration should weigh those experiences alongside the listing's unverified performance claims. The aggregate rating skews positive, but it does not establish performance for every purifier or use case.