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The OMRON C803 is a compact, lightweight compressor nebuliser designed for gentle, effective treatment of lower airway conditions in both adults and children. Weighing just 180 g, it's one of the lightest compressor nebulisers available — ideal for home use and travel.
With efficient nebulisation, a particle size of 3.0 µm (MMAD), and simple one-button operation, it provides reliable daily therapy for conditions including asthma, COPD, bronchitis, allergies, and other lower respiratory tract diseases.
What conditions is the OMRON C803 suitable for?
The C803 is designed to treat lower airway respiratory conditions including asthma, COPD, bronchitis, colds, and seasonal allergies. It is suitable for both adults and children. Always follow your doctor’s guidance on which medication to use and how often to nebulise.
Is it suitable for children?
Yes. The C803 comes with both an adult and child face mask, and its low noise level of under 45 dB makes treatment significantly less stressful for younger patients who may be sensitive to sound during therapy.
How quiet is it?
The C803 operates at under 45 dB, making it one of the quietest compressor nebulisers available. To put that in context, normal conversation is around 60 dB — the C803 is quieter than a library.
How small and light is it?
Weighing just 180 g and measuring 85 × 115 × 43 mm, the C803 is OMRON’s lightest and most compact compressor nebuliser. It fits easily in a bag and comes with a carry bag included.
What is the particle size and why does it matter?
The C803 produces particles with a mass median aerodynamic diameter (MMAD) of 3.0 µm. Particles in this size range are small enough to reach the lower airways effectively, ensuring medication is deposited where it’s needed most.
How much medication can it hold?
The medication capacity is 2–10 ml, with minimal residual medication waste at the end of each treatment session.
How long does a treatment session take?
Treatment time will vary depending on the volume of medication and your doctor’s instructions. The nebulisation rate is 0.3 ml/min — slightly slower than some other models, but the compact, low-noise design makes it well suited to relaxed, stress-free daily treatment.
Can I use it with any nebuliser solution?
The C803 is compatible with common inhalation solutions.
Does it need batteries?
No. The C803 is mains-powered via an AC adapter, so it’s best suited for home use or anywhere with access to a power outlet.
How do I clean it?
Clean the nebuliser kit, mouthpiece, and masks after every use with warm water. Allow all parts to air dry thoroughly before storing. Full cleaning and disinfection instructions are provided in the instruction manual.
Is the C803 suitable for multiple users in the same household?
The compressor unit itself can be used by multiple people, but the nebuliser kit, masks, mouthpiece, and nosepiece are intended for single-patient use. Separate accessory sets should be used for each person. Replacement kits are available separately.
BallyDuff Pharmacy makes delivery simple, fast, and great value—so you can get what you need without the hassle. Enjoy Free Local Delivery for nearby customers, plus Nationwide Delivery for just €5.95 anywhere in Ireland. And to make every order a little better, we include a free sample with every purchase. With BallyDuff Pharmacy, you get trusted service, fair pricing, and thoughtful extras—every time you shop.
Please contact us with any queries or stock availability. We are more than happy to help you with all your needs. Our staff are super friendly and always willing to help. You can contact us by phone, email, post or through social media.
