No reviews yet

Don’t worry, our devices undergo extensive testing. Plus, you have a 30-day window for a full refund, no questions asked.

Still unsure?

Product features
FAQs

Clean Air Optima Humidifier CA-605T Smart Top Filling
titan

  • Clean Air Optima Humidifier CA-605T Smart Top Filling | titan, image 1 of 3
  • Clean Air Optima Humidifier CA-605T Smart Top Filling | titan, image 2 of 3
  • Clean Air Optima Humidifier CA-605T Smart Top Filling | titan, image 3 of 3
Image is for illustrative purposes only
  • Clean Air Optima Humidifier CA-605T Smart Top Filling | titan, thumbnail 1 of 3
  • Clean Air Optima Humidifier CA-605T Smart Top Filling | titan, thumbnail 2 of 3
  • Clean Air Optima Humidifier CA-605T Smart Top Filling | titan, thumbnail 3 of 3
Product is currently out of stock
Discover more Air Treatment
Brand
Clean Air Optima
Colour
titanium
Connectivity
WiFi, Bluetooth
Container Volume
3800 ml
Dimensions
210 x 215 x 290 mm
Miscellaneous
App control
Note
Through the process of refurbishing the IPxx certification can no longer be guaranteed and, for example, water damage is therefore excluded from the warranty conditions.
Power
30 Watts
Weight
2800.0 g

Your refurbed product

Refurbed products are more sustainable and up to 40% cheaper compared to a new device. Your trusted refurbed product comes with a minimum 12-month warranty and a 30-day free returns policy, with no questions asked.

Clean Air Optima Humidifier CA-605T Smart Top Filling - Description

Breathe fresher, healthier air at home with the refurbished Clean Air Optima humidifier CA-605T Smart Top Filling. This advanced air treatment device helps you create a comfortable indoor climate all year round - whether you’re fighting dry winter air or looking to boost well-being for your family. At refurbed, every unit is professionally checked, thoroughly cleaned, and made reliable again - so you get all the benefits of a quality humidifier and contribute to a more sustainable choice.

Key Features & Benefits

  • Smart App Control: Adjust humidity and settings effortlessly from your phone using WiFi or Bluetooth. Stay in control of your air quality, even when you’re away.
  • Top-Filling Design: Refill water quickly and easily - no spills, no hassle.
  • Large Water Tank: The 3.8-litre container means fewer refills and continuous, consistent humidification for medium to large rooms.
  • Energy-Efficient: Uses just 30 watts of power, so you maintain optimal air quality without driving up energy bills.
  • Compact & Modern: Its streamlined design fits neatly in living rooms, bedrooms, or offices, blending into your daily life with ease.

Why Choose Refurbished?

When you choose a refurbished humidifier from refurbed, you avoid waste, extend product lifecycles, and help the environment. Our process guarantees each device meets high standards for performance and reliability - so you enjoy cleaner air with peace of mind.

Typical Usage Scenarios

  • Home Comfort: Balance humidity in dry rooms to support skin, breathing, and comfort for the whole family.
  • Home Office: Maintain focus and well-being by keeping your workspace air fresh and comfortable.
  • Nurseries & Bedrooms: Create a gentle environment for restful sleep and easier breathing, especially in winter.
  • Allergy Season: Help reduce symptoms by maintaining optimal indoor humidity and supporting better air quality.

Frequently Asked Questions

How do I control the humidifier remotely?

The CA-605T Smart Top Filling connects to your home WiFi or Bluetooth. Simply use the compatible app to set humidity levels, timer functions, and monitor performance wherever you are.

Is it suitable for large rooms?

Yes, its high-capacity tank and efficient output make it ideal for medium to large rooms, such as living areas or master bedrooms.

What makes this a sustainable choice?

Refurbished products help cut down on electronic waste and reduce the demand for new resources. Every purchase is a step towards a greener future.

Peace of Mind Included

Enjoy a minimum 12-month warranty and 30 days free returns with every refurbished humidifier from refurbed. Experience better air, more comfort, and a smarter, more sustainable way to shop.

The refurbed Process

Every refurbed device is refurbished in up to 40 steps — taking it from used to like new again. Here are 5 key steps:

Refurbisher buys used electronics

1. Supplier buys pre-loved tech

Deleting the data from used electronic devices

2. Data cleanse

Refurbishing defective components

3. Swap of faulty parts

Polishing the exterior of used electronics

4. External preparation

Refurbisher sells the devices through refurbed marketplace

5. Sold via refurbed

Learn more

What is refurbed?
Refurbed is an online marketplace for refurbished electronics. All refurbed Clean Air Optima Humidifier CA-605T Smart Top Filling function like new, but are much cheaper. How is that the case? Once sourced, experts put our products through an up to 40-step refurbishment process to ensure that all products work and look like new. This results in us offering better value products that are also more sustainable.
Why should I buy my Clean Air Optima Humidifier CA-605T Smart Top Filling from refurbed?
refurbed Clean Air Optima Humidifier CA-605T Smart Top Filling are great value, at up to 40% cheaper than new. Equally as important is trust. We give you a minimum 12-month warranty on each device and a 30-day free trial period, during which you can return for a full refund. This means you save money, and get to test the device to make sure it works perfectly for you.
Why are refurbed Clean Air Optima Humidifier CA-605T Smart Top Fillings so cheap?
Every refurbed partner is specialised in certain brands. They mostly buy exhibit and corporate phones in large quantities at low prices. Their specialisation makes the renewal processes very efficient, resulting in 100% renewed products that are up to 40% cheaper than new devices.
What exactly do the product grades mean?
refurbed Clean Air Optima Humidifier CA-605T Smart Top Fillings work like new devices and therefore have no functional limitations. The visual condition of the devices can be selected based on your needs. What are the visual categories?

Premium (AA-Grading)
Premium Clean Air Optima Humidifier CA-605T Smart Top Fillings are visually identical to new, with no visible signs of wear or use. No scratches, scuffs, dents, or blemishes on the body or screen.
Excellent (A-Grading)
Excellent Clean Air Optima Humidifier CA-605T Smart Top Fillings have no dents, scratches or signs of wear visible from a distance of 30cm - neither on the body nor on the display.
Very Good (B-grading)
Very Good Clean Air Optima Humidifier CA-605T Smart Top Fillings may have minimal dents, scratches or wear on the body that can be seen from 30cm away. There may be micro-scratches on the display/screen, but these are not visible when the display is on.
Good (C-Grading)
Good Clean Air Optima Humidifier CA-605T Smart Top Fillings have visible signs of use such as scratches and/or dents on the body. There may be micro-scratches on the display/screen, but these are not visible when the display is switched on.
How does the 30-day free trial work?
If you want to return your product for any reason, you can return it free of charge within 30 days. To do so, contact our partner directly via your refurbed account and let them know that you would like to exchange or return your device. You will receive a free return label from our partner by email or in your refurbed account. Alternatively, you can contact our refurbed customer service. We will be happy to help you and contact our partner.
What are my warranty terms?
We offer a minimum 12‑month warranty on all refurbed Clean Air Optima Humidifier CA-605T Smart Top Filling. This covers any technical defects that might occur during this period and are not caused by your own fault.

Examples include:
- The device can no longer be switched on.
- The unit cannot find a network.
- The loudspeaker does not work.

The battery is also covered by the warranty. A distinction is made between wear and tear and technical defects. Technical defects are covered by the warranty and are characterised by abnormal behaviour. Abnormal behaviour could be, for example, that the device can only be charged up to 40%. Please note that your minimum 12‑month warranty is refurbed's voluntary commercial promise to you. This does not affect your statutory consumer rights
How can refurbed guarantee the quality of your Clean Air Optima Humidifier CA-605T Smart Top Filling?
Only professional and certified partners are allowed to offer their electronic products via refurbed. We ensure this with ongoing quality tests and constant monitoring. Our partners are all located within the EU. This allows us to guarantee fast delivery times and optimal contact to always perform our best.
Which environmental protection projects do we invest in?
We have planted over 6.6 million trees since our foundin, and we are very proud! We realised that planting trees alone does not tackle all of the environmental issues we a passionate about, however. That's why we now also support projects that
- restore landscapes — ecosystems are repaired and jobs are created, including tree planting along the way
- remove carbon from the atmosphere and store it permanently
- recycle electronic waste and reuse materials

Top categories
Featured products
New arrivals

Sign up for our newsletter!

Never miss an offer again.

Information about the use of personal data can be found in our Privacy policy.