MiteShield™ Ultrasonic Unit for Dust Mites – Chemical-Free, Plug-In
MiteShield™ Ultrasonic Unit for Dust Mites – Chemical-Free, Plug-In
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MiteShield plugs into a wall socket and emits ultrasound intended to disturb dust mites in the room. No chemicals, no fragrance, nothing to refill — it just sits there and runs.
The bedroom is where they thrive
Dust mites feed on skin flakes and live where we spend the most time: the mattress, the pillow, the duvet, the sofa. You can't see them and they don't bite. What you notice is the morning — a blocked nose, itchy eyes, the feeling of not having slept properly.
There are things that work against them, and most of them come down to washing and routine. MiteShield is what you put in the wall alongside those — it runs around the clock without you having to think about it.
How it's intended to work
The unit emits ultrasound at a frequency above human hearing. The idea behind the technology is that the sound disturbs the mites' life cycle so they reproduce less well in the room where the unit sits.
Think in weeks rather than days, and think of it as an addition to your cleaning routine rather than a replacement for it. Ultrasound doesn't reach down into the fibres of a mattress, and mite residue causes problems even after the mites themselves are gone. That's why the washing still matters most.
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✓ Chemical-free and fragrance-free
No sprays, no treatments and nothing leaving residue in the bedding. -
✓ No maintenance
Nothing to refill, replace or clean. -
✓ Runs around the clock
Plug it in and forget it — including while you're away. -
✓ Inaudible
The frequency sits outside the range of human hearing. -
✓ Takes up no space
Sits in the socket — no floor space, no cable, no installation.
Do these as well — that's where the real difference is
The unit is a supplement. What has the strongest support against dust mites is simple and costs almost nothing:
- Wash bedding at 60°C every two weeks. Lower temperatures don't kill the mites.
- Use tightly woven covers on the mattress, pillow and duvet.
- Keep humidity below 50 per cent — ventilate and avoid drying laundry in the bedroom.
- Vacuum regularly, ideally with a HEPA filter. Mite residue causes problems even after the mites are gone.
If you or your child have allergy symptoms affecting sleep or breathing, speak to a doctor. Dust mite allergy can be assessed and treated.
How to use it
- Plug the unit into a wall socket in the room you want to use it in — usually the bedroom.
- Position it in the open, not behind a sofa or curtain.
- Leave it running continuously. It uses a negligible amount of electricity.
- Carry on washing and cleaning as normal in the meantime.
Ultrasound doesn't pass through walls. To cover several rooms you need one unit per room.
Worth knowing
If you keep rodents as pets — rabbits, guinea pigs, hamsters, chinchillas or rats — don't use the unit in the same room. They hear frequencies far above the human range and may find the sound stressful.
The unit is intended for dry indoor environments. Don't cover it or place it behind furniture.
Product information
| Type | Plug-in ultrasonic unit |
| Intended for | Dust mites in indoor environments |
| Connection | Direct to wall socket, 230 V |
| Range | One room per unit — ultrasound doesn't pass through walls |
| Maintenance | None — no filters or refills |
| Indoor use only | Not intended for wet rooms |
About the packaging: this product may occasionally be supplied under a different brand name. The function and contents are the same, but the packaging may differ from the images.
14-day right of withdrawal
Let us know within 14 days of receiving your order and we'll help you with the return. See the terms.
Frequently asked questions
Can I stop washing my bedding now?
No. Washing at 60°C is still the single most effective measure against dust mites, and mite residue causes problems even once the mites themselves are gone. The unit adds to the routine; it doesn't replace it.
How many units do I need?
One per room. Ultrasound doesn't travel through walls and is absorbed by furniture and textiles, so a unit in the hallway won't help in the bedroom.
Can you hear it?
The frequency sits above the human hearing range. A few people, usually children and young adults, do pick up a faint sound from this type of device — if you notice it, move the unit further from the bed.
Is it fine with a dog or cat in the house?
Dogs and cats hear higher frequencies than we do, but this type of device is intended to sit outside their normal range. Pet rodents are a different matter — don't keep them in the same room as the unit.
How much electricity does it use?
Negligible. It's designed to run continuously all year round.
When will I notice anything?
Think in weeks rather than days, and bear in mind several things change at once — season, cleaning habits and humidity. It's hard to tell what's down to what, which is a reason to do the other measures alongside.
MiteShield is a household appliance for indoor use. It is not a medical device, does not treat allergy, asthma or any other condition, and does not replace medical advice or treatment. Results depend on room size, furnishings and routines. If allergy symptoms affect sleep or breathing, consult a doctor. Keep out of reach of children.
How it works Show less
Email kund@kvalio.se with your order number within 14 days of receiving your parcel, and we'll send you return instructions. You're welcome to open the packaging and examine the product just as you would in a shop. If it has been handled beyond that, we may deduct for any reduction in value.
You cover the cost of return shipping. As soon as the parcel reaches us, your money is back on the same payment method within 14 days. For hygiene reasons, products with a broken seal cannot be returned, and the same applies to special orders.
A real person reads every message — no bots, no ticket queue. Whether the parcel is late, something arrived damaged, or you simply changed your mind, get in touch and we will sort it out.
- kund@kvalio.se
- Weekdays 09:00–21:00
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