Product comparison · 2 humidifiers

Clean Air Optima CA-603 humidifier Ultrasonic vs Clean Air Optima CA-604W humidifier Ultrasonic

32specifications compared
15differ
17identical
30known for one product only

Key differences

Water tank capacity
- CA-603 humidifier Ultrasonic:5 L
- CA-604W humidifier Ultrasonic:3.8 L
Suitable for room area up to
- CA-603 humidifier Ultrasonic:45 m²
- CA-604W humidifier Ultrasonic:55 m²
Suitable for room volume up to
- CA-603 humidifier Ultrasonic:100 m³
- CA-604W humidifier Ultrasonic:140 m³
Automatic mode
- CA-603 humidifier Ultrasonic:No
- CA-604W humidifier Ultrasonic:Yes
Control type
- CA-603 humidifier Ultrasonic:Rotary, Touch
- CA-604W humidifier Ultrasonic:Touch
Humidification capacity
- CA-603 humidifier Ultrasonic:300 ml/h
- CA-604W humidifier Ultrasonic:400 ml/h
Operating time
- CA-603 humidifier Ultrasonic:50 h
- CA-604W humidifier Ultrasonic:10 h
Relative humidity
- CA-603 humidifier Ultrasonic:45 - 75%
- CA-604W humidifier Ultrasonic:30 - 75%

Side by side

Differences highlightedShow differences only

Comparison of CA-603, CA-604W
62 specifications	A Clean Air Optima CA-603 humidifier Ultrasonic Model CA-603 View product	B Clean Air Optima CA-604W humidifier Ultrasonic Model CA-604W View product
Technical details9 differ
Evaporation technology	Ultrasonic	Ultrasonic
Water tank capacityDiffers	5 L	3.8 L
Air purification capability	Yes	Yes
Suitable for room area up toDiffers	45 m²	55 m²
Suitable for room volume up toDiffers	100 m³	140 m³
Automatic modeDiffers	No	Yes
Timer duration (minimum)Known for one	1 h	Unknown — not stated by the source
Timer duration (maximum)	12 h	12 h
Humidity sensor	Yes	Yes
Air particle sensorKnown for one	No	Unknown — not stated by the source
Air quality sensor(s)Known for one	No	Unknown — not stated by the source
HEPA filterKnown for one	No	Unknown — not stated by the source
Air filterKnown for one	No	Unknown — not stated by the source
Auto power off	Yes	Yes
Auto power on functionKnown for one	Yes	Unknown — not stated by the source
Child lockKnown for one	No	Unknown — not stated by the source
Continuous refillKnown for one	No	Unknown — not stated by the source
Control typeDiffers	Rotary, Touch	Touch
Effective areaKnown for one	45 m²	Unknown — not stated by the source
Filter life (max)Known for one	3 month(s)	Unknown — not stated by the source
Filter materialKnown for one	Ceramic	Unknown — not stated by the source
Filtering	Yes	Yes
Height adjustmentKnown for one	No	Unknown — not stated by the source
Humidification capacityDiffers	300 ml/h	400 ml/h
Humidity output up toKnown for one	300 g/h	Unknown — not stated by the source
Hygrometer	Yes	Yes
Ion emissionKnown for one	Negative ion	Unknown — not stated by the source
Ionizer	Yes	Yes
Mist typeKnown for one	Cool	Unknown — not stated by the source
Night modeKnown for one	No	Unknown — not stated by the source
Noise level	25 dB	25 dB
Number of fan speedsKnown for one	3	Unknown — not stated by the source
Number of speeds	3	3
Operating timeDiffers	50 h	10 h
Relative humidityDiffers	45 - 75%	30 - 75%
Removable filter	Yes	Yes
Removable water tank	Yes	Yes
Safety switchKnown for one	Yes	Unknown — not stated by the source
Sleep modeDiffers	No	Yes
Timer	Yes	Yes
Country of originKnown for one	China	Unknown — not stated by the source
Warranty periodKnown for one	2 year(s)	Unknown — not stated by the source
Compliance certificatesKnown for one	Unknown — not stated by the source	CE, RoHS, WEEE
Smartphone/tablet remote supportKnown for one	Unknown — not stated by the source	Yes
Design1 differ
Control panel colourKnown for one	Black	Unknown — not stated by the source
Product colourDiffers	Black	White
Built-in display	Yes	Yes
Display typeKnown for one	Unknown — not stated by the source	LCD
LED indicatorsKnown for one	Unknown — not stated by the source	Speed, Timer, Wi-Fi
On/off switchKnown for one	Unknown — not stated by the source	Yes
Water level indicatorKnown for one	Unknown — not stated by the source	Yes
Power1 differ
AC input frequencyDiffers	50/60 Hz	50 / 60 Hz
AC input voltage	220 - 240 V	220 - 240 V
Power consumption (typical)	30 W	30 W
Power supply type	AC	AC
PowerKnown for one	Unknown — not stated by the source	30 W
Weight & dimensions4 differ
WidthDiffers	150 mm	210 mm
DepthDiffers	335 mm	215 mm
HeightDiffers	285 mm	290 mm
WeightDiffers	2.6 kg	2.8 kg
Packaging contentidentical
Remote control includedKnown for one	Yes	Unknown — not stated by the source
QuantityKnown for one	Unknown — not stated by the source	1

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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