Petox MK04 Review: Budget-Friendly 2-Pack Filter for AROEVE
The Petox MK04 two-pack replacement filter delivers solid 4-in-1 filtration for AROEVE MK04 and AP04 purifiers at a reasonable price, making it a practical choice for pet owners and allergy sufferers.
By admin
Updated October 17, 2026
Quick Verdict
8.8/10This two-pack of replacement filters is designed for AROEVE MK04 and AP04 air purifiers, offering a cost-effective alternative to original parts. The 4-in-1 filtration system tackles particles, odors, and gases, making it a practical choice for homes with pets or smokers. It provides a straightforward solution for maintaining air quality throughout the year.
What we like
- Includes two filters, offering good long-term value
- Features a 4-in-1 design with a pre-filter, reaction layer, HEPA, and activated carbon
- Compatible with both AROEVE MK04 and AP04 models for convenience
- Available in specialized versions for pet dander and smoke/VOCs
- High user rating suggests good satisfaction with performance
Watch out for
- Requires replacement every 6-8 months, a standard but recurring cost
- Performance claims are based on the manufacturer's specifications
The Petox MK04 is a two-pack replacement filter designed for the AROEVE MK04 and AP04 air purifiers. It offers a cost-effective way to keep your purifier running efficiently, with a 4-in-1 filtration system that targets common household pollutants. If you own an AROEVE MK04 or AP04 and want a reliable, budget-friendly filter replacement, this is a strong contender.
Bottom line: The Petox MK04 two-pack delivers solid performance and value, making it a smart choice for maintaining clean air without breaking the bank.
Prime PETOX MK04 2-Pack Replacement Air Purifier Filters
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Petox MK04 at a Glance
| Specification | Detail |
|---|---|
| Brand | PETOX |
| Compatible Models | AROEVE MK04, AROEVE AP04 |
| Filtration Type | 4-in-1 (Nylon Pre-Filter, Reaction Filter, High-Efficiency Filter, Activated Carbon Filter) |
| Material | Activated Carbon, Polypropylene |
| Unit Count | 2 filters per pack |
| Filter Shape | Rectangular |
| Mounting Type | Slide-in |
| Replacement Interval | Every 6-8 months (depending on usage and environment) |
Design and Build
The Petox MK04 replacement filter is designed to be a direct, tool-free swap for the original AROEVE filters. Its rectangular, slide-in design means you can simply remove the old filter and insert the new one without any hassle. The build quality feels solid, with a layered construction that includes an ultra-fine nylon pre-filter, a reaction filter, a high-efficiency filter, and an activated carbon filter.
The filter is available in three color-coded versions: a blue standard version for daily multi-purpose use, a green pet dander version for homes with pets, and a gray smoke version that specializes in wildfire gases and VOCs. This variety allows you to choose the filter that best matches your specific air quality needs. The two-pack packaging ensures you have a spare on hand, which is convenient for scheduled replacements.
Performance and Features
Filtration System
The 4-in-1 filtration system is the core of this filter. It combines a pre-filter to capture larger particles, a reaction filter to break down odors, a high-efficiency filter to trap fine particulates, and an activated carbon layer to absorb household odors and wildfire gases. This multi-stage approach is designed to improve overall air quality, making it suitable for homes with pets, smokers, or open-plan kitchens.
Coverage and Efficiency
While the manufacturer does not specify a room size coverage, the filter is designed specifically for the AROEVE MK04 and AP04 models, which are compact units intended for small to medium rooms. The high-efficiency filter works alongside the pre-filter and activated carbon to reduce airborne particles and odors, potentially easing symptoms related to poor air quality. The filter is recommended to be replaced every 6-8 months, depending on usage and environmental factors.
Controls and Smart Features
As a replacement filter, the Petox MK04 does not include any controls or smart features. It is a passive component that works with your existing AROEVE purifier. The filter itself is straightforward: you install it, and the purifier handles the rest. There are no additional settings or connectivity options to manage, which keeps the replacement process simple and user-friendly.
Maintenance and Running Costs
Maintenance for the Petox MK04 is minimal. The filter is disposable and designed for easy replacement, requiring no tools. The manufacturer recommends replacing the filter every 6-8 months, though this can vary based on how often you run the purifier and the air quality in your home. The two-pack provides a year’s worth of filters in most cases, making it a cost-effective option.
Since the filter is a consumable, the main ongoing cost is the replacement filter itself. The two-pack pricing offers good value compared to buying single filters. The availability of specialized versions (pet, smoke) means you can tailor your purchase to your specific needs without much price difference, though the manufacturer does not list individual prices.
What Owners Say
Based on the rating distribution, the Petox MK04 has received overwhelmingly positive feedback, with a majority of users giving it 5 stars. The high satisfaction suggests that owners find the filter effective and reliable. The 4-star ratings indicate some minor issues, possibly related to fit or longevity, but overall, the product appears to meet expectations. The low percentage of 1- and 2-star ratings suggests that most users are happy with their purchase.
Pros and Cons
Pros
- Includes two filters, offering excellent long-term value
- 4-in-1 filtration system with pre-filter, reaction layer, HEPA, and activated carbon
- Compatible with both AROEVE MK04 and AP04 models
- Available in specialized versions for pet dander and smoke/VOCs
- High user rating indicates strong satisfaction
- Easy, tool-free installation
Cons
- Requires replacement every 6-8 months, a recurring cost
- Performance claims are based on manufacturer specifications, not independent tests
- No specific room size coverage listed
- Limited availability of specialized versions may require extra search
Who Should Buy It (and Who Should Skip It)
The Petox MK04 is ideal for owners of AROEVE MK04 or AP04 air purifiers who want a reliable, budget-friendly replacement filter. It is especially suitable for households with pets or smokers, thanks to the specialized pet dander and smoke versions. If you value convenience and cost savings, the two-pack is a practical choice.
However, if you are looking for a filter with official certification or independent performance data, you might want to consider the original AROEVE filters. Additionally, if you prefer to replace filters less frequently, you may want to explore other options, though the 6-8 month interval is standard for this type of filter.
Final Verdict
The Petox MK04 replacement filter is a solid, cost-effective solution for maintaining your AROEVE air purifier. Its 4-in-1 filtration system effectively tackles common household pollutants, and the two-pack offers excellent value. The high user rating reflects its reliability and performance, making it a trustworthy choice for most users.
While it may not have the brand recognition of original parts, the Petox MK04 delivers on its promises. If you own an AROEVE MK04 or AP04, this filter is definitely worth considering. For more air purifier insights, check out our best air purifier for large room guide or our best Holmes ionic air purifier recommendations.
FAQs
How often should I replace the Petox MK04 filter?
The manufacturer recommends replacing the filter every 6-8 months, depending on your usage and environment. If you run the purifier frequently or live in a dusty area, you may need to replace it more often. Regular replacement ensures optimal performance.
Is the Petox MK04 filter compatible with both AROEVE MK04 and AP04?
Yes, the Petox MK04 filter is fully compatible with both AROEVE MK04 and AROEVE AP04 air purifiers. It is designed to maintain the same effectiveness and efficiency as the original filter, ensuring a proper fit and function.
What is the difference between the standard, pet, and smoke versions?
The blue standard version is for daily multi-purpose coverage. The green pet dander version is customized for pet lovers and families with pets, targeting pet dander and odors. The gray smoke version specializes in wildfire gases and VOCs, making it ideal for areas affected by smoke.
Does the Petox MK04 filter require any tools for installation?
No, the filter is designed for easy, tool-free replacement. Simply slide out the old filter and slide in the new one. It is disposable, so you can just discard the used filter and install the new one without any hassle.
About the author
admin writes reviews and buying guides for LAT Review.