Fellowes AeraMax 290
Score: 72/100
Shark HP301
Score: 82/100Rankings

The Shark NeverChange Air Purifier Max HP301 is a large-format air purifier designed for whole-home coverage up to 1,300 square feet. Its defining feature is a five-year lifespan True HEPA filter that significantly reduces long-term maintenance costs while combining multi-stage filtration with real-time air quality monitoring. It is highly recommended for those prioritizing sustained air quality improvements with minimal maintenance hassle.
The Fellowes AeraMax 290 is a tower-style air purifier designed for rooms up to 600 square feet, utilizing a four-stage filtration system that includes True HEPA and PlasmaTrue technology. It features an automatic AeraSmart sensor for hands-free operation and maintains ultra-quiet performance suitable for continuous use in bedrooms or home offices. However, the lack of remote control and frequent filter replacement needs are notable trade-offs for users seeking low maintenance.
| Attribute | Fellowes AeraMax 290 | ![]() |
|---|---|---|
600 sq_ft | 1,300 sq_ftbest | |
— | 240 cfmbest | |
| ↓ lower better | — | 53 dBbest |
12 months | 60 monthsbest | |
| ↓ lower better | 6 wattsbest | 54 watts |
4 | 5best | |
| ↓ lower better | 13.8 lbs | 12.27 lbsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Fellowes AeraMax 290 | ![]() |
|---|---|---|
Performance(2) | ||
Coverage Area (sq_ft) | 600 sq_ft | 1300 sq_ft |
Noise Level (dB) | unknown dB | 53 dB |
Filtration(2) | ||
Filtration Type | 4-stage (Pre-filter, Carbon, True HEPA, PlasmaTrue) | HEPA |
Filter Lifespan (months) | 12 months | 60 months |
General(1) | ||
Warranty | 3 Year Limited | 2 years |
Power & Energy(2) | ||
Power Consumption (watts) | 6 watts | 54 watts |
Energy Efficiency Rating | Energy Star | |
Design(1) | ||
Weight (lbs) | 13.8 lbs | 12.27 lbs |
Controls(3) | ||
Fan Speeds | 4 | 5 |
Control Interface | Touch Screen | Not specified |
Sleep Mode | true | false |

Products in the top-left offer the best value (high score, low price).
Direct expert review quotes are unavailable in the provided research; however, manufacturer and retailer materials position it as a hospital-grade purifier effective for allergens, odors, and viruses in medium-sized rooms.
No consumer reviews or feedback were found in the search results, making it impossible to identify common praise or recurring themes from everyday users at this time.

Professional reviewers award the HP302 a 77/100 rating, praising its unique value proposition and exceptional coverage area. Experts highlight the five-year filter lifespan as a major cost-saving feature, though they question how well the claim holds up under real-world conditions and note limitations regarding medical-grade standards.
Everyday users consistently praise the NeverChange filter system for its long-term cost savings and convenience. Customers report strong airflow, rapid particle removal, and noticeable reductions in household dust.