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Frequently asked questions from prospective purchasers of Rabbit Air products

Which model of Rabbit Air product do you recommend?

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We recommend the best model for each customer based on the air quality of their living environment, the area they want to purify, and the type of air pollution they are most concerned about.

Please tell me how to choose an air purifier suitable for the size of the room to be used.

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ACPH (Air Change Per Hour) is the number of times an air purifier can purify indoor air in one hour.
Ideally, an air purifier should be able to ventilate at least 4 times an hour for households with allergies, and 2 times for normal households.

What kind of allergens can be eliminated from the air when using the Rabbit Air air purifier?

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Rabbit Air's air purifier can remove various contaminants from the air. Common airborne impurities that can be collected and reduced are listed below.

・PM 2.5



・General household odor

・Smell of cooking



・exhaust gas



・Green house gas (NOx & SOx)

・Particles with mold virus attached

・Pet hair

・Pet dander

・Pet odor


・cigarette smoke

・VOCs (volatile organic compounds)

Do Rabbit Air air purifiers emit ozone?

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All models of our air purifiers conform to ozone safety standards California Air Resources Board . 0.001 ppm (per million) was detected when the negative ion generator was turned on. This is less than 1/50th of the maximum ozone safety standard of 0.05 ppm (per million) set by the California Air Resources Board.

What are Negative Ions? What effect does it have on your health?

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Negative ions are colorless, odorless, and tasteless molecules that are abundant in certain environments. Negative ions occur near mountains, waterfalls, and beaches. Negative ions are said to help alleviate depression symptoms and increase mental energy. It also adheres to the particles and helps the air purifier work by sinking the particles near the floor with its weight.

How long does the BioGS 2.0 air purifier filter last?

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When operating 24 hours a day in a room with normal air quality, replace the BioGS HEPA Filter and Super Activated Carbon Filter every 18 months. We recommend cleaning every 3 months. Washing with water is not allowed.

The pre-filter does not need to be replaced, but we recommend cleaning it once a month. Washable.

How long does it take to replace the filter of the MinusA2 air purifier?

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When operating 24 hours a day in a room with normal air quality, replace filters other than the pre-filter every 12 months. No regular maintenance required.

The pre-filter does not need to be replaced, but we recommend cleaning it once a month. Washable.

Where can I buy replacement filters?

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You can purchase from the Rabbit Air website. Please select "Replacement filter for BioGS 2.0" or "Replacement filter for MinusA2" from "Product information".

payment method

How secure is credit card payment?

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The Rabbit Air website is fully secure. Your credit card information is protected as it is sent through a secure server that encrypts data exchanges. Due to our highly secure servers and measures to protect your personal information, we are confident that your order on the Rabbit Air site is 100% secure. Shopping on Rabbit Air's site is safer than using a credit card at a shopping mall, and it is also very convenient in that you can shop at home.

What payment methods do you accept?

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You can pay by credit card (JCB, VISA, MasterCard, AMEX, Diners Club, Discover), cash on delivery, and bank transfer. For other payment methods, please contact our Customer Care team.

Do you accept Purchase Orders (POs)?

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For orders from government-affiliated organizations, public and private schools, and corporate customers, we accept purchase order forms. Please note that some purchase orders may require approval from our accounting department. If you would like to pay by purchase order, please contact our Customer Care Team .


How much does shipping cost?

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Free shipping for items purchased from If you would like to use airmail, please contact us and we will pay the difference.

Track your order

Can I check if the ordered items have been shipped?

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Once the item has been shipped, we will send you a shipping completion email. A tracking number is included so you can follow the delivery status.

When will my order be delivered?

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It will be delivered within 2-5 business days within Japan. For Hokkaido, Okinawa, and remote islands, it may take a few more days.

The item should have been delivered, but it hasn't arrived yet. What should I do?

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Please check the shipping status with the invoice number written in the shipping email, and then contact the customer center.

Change or cancel your order

Can I change or cancel an ordered item?

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Please contact Rabbit Air if you wish to make any changes or cancel your order after it has been placed. / 0120-152-952

Returns or Exchanges

What is the "Return Guarantee"?

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Rabbit Air Japan accepts returns and exchanges at any time within 90 days from the date of shipment.

・For returns or exchanges due to damage during delivery, incorrect product, defective product, etc., after contacting us, we will promptly refund or exchange the product at our expense.

・If the customer wants to return the product, the shipping fee will be borne by the customer. The air purifier and accessories must be in like-new condition, and accessories (remote controls, manuals, etc.) must be wrapped in plastic and included in the package. Upon inspection and confirmation that the above conditions are met, a full refund or replacement will be processed. Please note that a restocking fee may apply depending on the condition of the returned item. If you order a single replacement filter, only unused items can be returned or exchanged.

・Valid only in Japan.

What is the return procedure?

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1. Please contact our customer care team first.

2. We will send it back to our company cash on delivery, or arrange for it to be picked up at your home.

3.Rabbit Air inspects the condition of the product.

4. Proceed to the refund procedure according to the condition of the product.

In the case of credit card payment, refunds will be made through the contracted credit card company. In the case of cash on delivery or bank transfer, the refund will be made to the customer's bank account.

We recommend using an insured shipping method in case of loss or damage during shipping. Please note that refunds cannot be processed if the returned item does not arrive at the Rabbit Air warehouse. As soon as we receive the returned item, we will inspect the item immediately.

If you write your name on the product and contact us after shipping, the confirmation process will be smoother, so please cooperate.

I have returned the product, but I have not received a refund yet. What should I do?

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As soon as the returned item arrives and is inspected (approximately 2-3 business days from the delivery date), the refund will be processed immediately. We will refund to the payment method you used to place your order within 7 business days. Please note that depending on the credit card company, it may take an additional 2-10 business days for the refund to be reflected.

If it's been over a month and you still haven't received your refund, please contact Rabbit Air's customer care team.

I received a defective Rabbit Air air purifier, what should I do?

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In the rare case that a defective product is shipped, Rabbit Air provides a 5-year warranty on the product, so we will cover the return shipping fee as well as the free repair. For troubleshooting advice or warranty service enquiries, please feel free to contact Rabbit Air's customer care team at our toll-free number. The toll-free number is 0120-152-952.


My air purifier doesn't work well.

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Please refer to the troubleshooting chart in the

user manual. It contains solutions to most problems. If the problem still persists, please contact the Customer Care Team .

Please tell me the details of the 5-year warranty.

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Within the 5-year warranty period, Rabbit Air Japan will bear all repair parts and repair costs in the event of a failure. However, filters and accessories are not covered by the 5-year warranty. Shipping costs are the responsibility of the customer. Valid only within Japan.

[Click here for warranty details -PDF]

No warranty is included.

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There is no such thing as a paper warranty. Everything is managed online based on the serial number. The serial number is an 18-character combination of numbers and letters located below the bar code on the bottom of the product. If you purchased from the Rabbit Air site, you do not need to do any procedures because it is already registered. If you purchased from Amazon, Yahoo, Rakuten, etc., you need to register the warranty yourself. Sorry for your inconvenience, but please register from "Warranty registration" in "Support".

air purifier technology

How does an air purifier clean the air?

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Air purifiers purify the air by sucking dirty indoor air into the main body and collecting contaminants such as particles and allergens in the air with a filter.

What kind of filters are used in air purifiers?

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Most air purifiers filter the air using HEPA filters or washable stainless steel dust cells. Some air purifiers incorporate a pre-filter to further increase overall filtration efficiency.

What does HEPA mean?

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HEPA stands for High Efficient Particulate Air. Genuine HEPA filters are guaranteed to retain 99.97% of airborne particles as small as 0.3 microns. (HEPA filters can also collect particles smaller than 0.3 microns, but in that case the dust collection rate will be lower than 99.97%.)

What is the difference between a HEPA-type air purifier and an ion-type air purifier that uses a washable dust grid?

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Both are technologies for purifying air, but they don't have much in common. The biggest difference between the two technologies is the efficiency of the filters. HEPA-type air purifiers are characterized by much higher filter efficiency than ion-type air purifiers. And most ion-type air purifiers have the property of expelling ozone, which damages lung tissue.

What is BioGS HEPA Filter? How is it different from conventional HEPA filters?

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Since allergens such as dust mites and pollen remain on the surface of typical HEPA filters, there are problems such as the growth of harmful bacteria and the generation of unpleasant odors. BioGS HEPA filters eliminate this problem by using cutting-edge bioengineered fibers that gradually reduce allergens such as pet dander, mites, and pollen from adhering to the filter. In addition, conventional HEPA air purifiers, in which particles and allergens accumulate in the filter, have the problem that the efficiency of the filter gradually decreases due to clogging, so the filter performance deteriorates significantly after a certain period of time. increase. On the other hand, the BioGS HEPA air purifier can reduce allergens attached to the filter, so you can maintain the best performance for the life of the filter.

Is it okay to run the air purifier continuously for a long time?

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The best way to really purify the air is to run the air purifier continuously. Scientific studies have proven that once an air purifier is turned off, indoor air pollution can quickly rise to pre-purification levels.

What is the CADR indicator?

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In order to clean the air in the room, it is necessary to pass all the room air through the filter of the air purifier. Air purifiers are rated by the amount of air they force through their filters. CADR (Clean Air Delivery Rate) is an index to evaluate it. CADR measures the amount of air that is expelled into the room after particles have been removed. The higher the CADR, the larger the area of ​​the room that the air purifier can purify.

What does ACPH mean?

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ACPH (Air Change Per Hour) indicates how many times an air purifier can purify indoor air in one hour. For example, 2ACPH means that the air purifier can clean the air in the room once every 30 minutes. For those with allergies or asthma, this means you need an air purifier that can purify the air in your room at least 4ACPH, or once every 15 minutes.

I'm worried about the annual operating cost of the air purifier. How is the annual operating cost of an air purifier calculated?

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When purchasing an air purifier, the annual operating cost is a very important point. High filter replacement costs and inefficient power consumption of air purifiers add to your expenses. Add the annual power cost to the replacement filter cost and you have an annual operating cost for the air purifier.

*Annual power cost = Aircraft power consumption (watt) x electricity cost (¥/kWh) x operating time (hr)

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