# Blueair Blue Pure 211i Max vs Rabbit Air BioGS 2.0: specs and price compared

A sourced, side-by-side comparison of the Blueair Blue Pure 211i Max (Blueair) and Rabbit Air BioGS 2.0 (Rabbit Air) among air purifiers. Blueair Blue Pure 211i Max is the cheaper of the two at $349.99.

## Side by side

| Spec | Blueair Blue Pure 211i Max | Rabbit Air BioGS 2.0 |
| --- | --- | --- |
| US price | $349.99 | $369.95 |
| Brand | Blueair | Rabbit Air |
| Released | 2022 | 2017 |
| Cadr smoke (CFM) | 443 | 136 |
| Coverage (sq ft) | 674 | 550 |
| Hepa | Yes | Yes |
| Filter type | HEPASilent dual filtration (mechanical + electrostatic) + Activated Carbon, 4-layer | Pre-filter + BioGS HEPA + Dual Hive AC Charcoal + Negative Ion Generator (4-stage) |
| Noise db min | 23 | 22.8 |
| Smart | Yes | No |
| Energy star | Yes | No |

## Key differences

- Cadr smoke (CFM): Blueair Blue Pure 211i Max 443 vs Rabbit Air BioGS 2.0 136
- Coverage (sq ft): Blueair Blue Pure 211i Max 674 vs Rabbit Air BioGS 2.0 550
- Filter type: Blueair Blue Pure 211i Max HEPASilent dual filtration (mechanical + electrostatic) + Activated Carbon, 4-layer vs Rabbit Air BioGS 2.0 Pre-filter + BioGS HEPA + Dual Hive AC Charcoal + Negative Ion Generator (4-stage)
- Noise db min: Blueair Blue Pure 211i Max 23 vs Rabbit Air BioGS 2.0 22.8
- Smart: Blueair Blue Pure 211i Max Yes vs Rabbit Air BioGS 2.0 No
- Energy star: Blueair Blue Pure 211i Max Yes vs Rabbit Air BioGS 2.0 No

## What reviewers say

**Blueair Blue Pure 211i Max** — Only one whitelisted tester, Wirecutter, published hands-on measured results for this exact model, naming it their large-room upgrade pick. Wirecutter found it a stellar, quiet, energy-efficient large-room performer (>99.9% smoke reduction), with a durability caveat on the washable fabric cover. (1 sourced review.)

**Rabbit Air BioGS 2.0** — Only one whitelisted tester, Tom's Guide, hands-on reviewed this exact model. It calls the BioGS 2.0 a quiet, inexpensive purifier that cleans a mid-sized room well, but flags weak airflow and the absence of WiFi or an app. Consensus rests on a single source. (1 sourced review.)

## Sources

- Blueair Blue Pure 211i Max: https://www.blueair.com/products/blue-pure-211i-max (blueair.com, verified 2026-06-15)
- Rabbit Air BioGS 2.0: https://www.rabbitair.com/pages/choose-your-air-purifier (rabbitair.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/air-purifiers/blueair-blue-pure-211i-max-vs-rabbit-air-biogs-2/
Cite: Per The Front Desk Review, Blueair Blue Pure 211i Max ($349.99) vs Rabbit Air BioGS 2.0 ($369.95) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/air-purifiers/blueair-blue-pure-211i-max-vs-rabbit-air-biogs-2/
License: CC BY 4.0.