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Offering affordable and high quality solutions

    Frequently Asked Questions

    A private label of IntelGadgets and SOEKS USA, Dreval’s focus is on innovative and useful technology and products that can help people live better, happier, and healthier lives. We never stop researching or looking for new discoveries, developments, breakthroughs, and ways to improve and enhance people’s lives.

    Yes, the unit includes all 4 necessary filters (a total of 2 double-sided filters). These pre-installed filters include: 1 Cold Catalyst Filter, 1 High Efficiency HEPA Filter, 1 Cellular Activated Carbon Filter, and 1 Antimicrobial/Antibacterial Filter.

    One Dreval air purifier effectively purifies a room as large as 430 square feet (40 square meters).

    The filters should be replaced approximately every 6-12 months depending on air quality and usage.

    The filters can be cleaned by hand by carefully wiping and removing the accumulated dust and debris. It is also suggested that they be exposed periodically to sunlight in between filter replacements to release gases and odors, and kill bacteria. These simple tips will extend the life of the filters and enhance the performance of your unit.

    It’s recommended to use filtered, distilled, or purified water.

    In the rare event that you are not satisfied with the Dreval air purifier, you may return it in original condition within 14 days from the date you receive it; however, the buyer is responsible for shipping costs and may be charged a restocking fee if applicable.

    Dreval is rooted in quality, customer service, and customer satisfaction. We stand behind our products and are always here to help you. When you purchase from Dreval, you are guaranteed to receive a product that you will love, customer support whenever you need it, and drastically improved breathing conditions. Secondly, the Dreval air purifier is unique and unmatched in its features, functions, and benefits. For example, it features: multiple stages of purification, a UV sterilization system, a humidifier function (that you can use on demand D-850 or automatically in D-950 model), an intelligent odor sensor system that automatically adjusts the fan speed and display according to the air quality, an optional negative ion (anion) generator, a convenient sleep mode, and of course, a remote control! And the benefits of owning a Dreval air purifier are truly remarkable. Finally, we let the results speak for themselves. The Dreval air purifier removes 99.9% of airborne particles that are as tiny as just 0.01 microns! It eliminates an impressive and almost endless list of toxins and harmful impurities found in the air including but not limited to: bacteria, viruses, germs, odors, pollen, ragweed, fungi, mold spores, dust, dust mites and their debris, pet dander, smoke (from cigarettes, pipes, fireplaces, and other sources), formaldehyde, ammonia, benzene, TVOC (Total Volatile Organic Compounds), hydrogen sulfide, gases (released from plywood, furniture, wallpaper, carpets, curtains, and bedspreads), and many other chemicals, allergens, and airborne pollutants.

    Dreval products are available here at, on, and are also available for purchase on amazon and eBay.

    All you need to do is replace the filters approximately every 6-12 months depending on air quality, amount of usage, and the specific filter type. You may also hand-clean the filters in between filter replacements as well.

    Click here for a detailed description of each filter’s composition and specific functions.

    The wattage of the Dreval air purifier is 95W.

    The warranty covers parts and labor for 2 years.


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