Product comparison · 2 humidifiers

Clean Air Optima CA-603 humidifier Ultrasonic vs Philips HU4903/02 humidifier

12specifications compared
11differ
1identical
43known for one product only

Key differences

The Clean Air Optima CA-603 humidifier Ultrasonic has 1 L more water tank capacity than the Philips HU4903/02 humidifier (5 L vs 4 L). The Philips HU4903/02 humidifier has 5 m² more suitable for room area up to than the Clean Air Optima CA-603 humidifier Ultrasonic (50 m² vs 45 m²). The Clean Air Optima CA-603 humidifier Ultrasonic has 45 ml/h more humidification capacity than the Philips HU4903/02 humidifier (300 ml/h vs 255 ml/h). Country of origin: China on the Clean Air Optima CA-603 humidifier Ultrasonic, South Korea on the Philips HU4903/02 humidifier. Product colour: Black on the Clean Air Optima CA-603 humidifier Ultrasonic, Metallic, Silver on the Philips HU4903/02 humidifier.

Water tank capacity
- CA-603 humidifier Ultrasonic:5 L
- HU4903/02 humidifier:4 L
Suitable for room area up to
- CA-603 humidifier Ultrasonic:45 m²
- HU4903/02 humidifier:50 m²
Humidification capacity
- CA-603 humidifier Ultrasonic:300 ml/h
- HU4903/02 humidifier:255 ml/h
Noise level
- CA-603 humidifier Ultrasonic:25 dB
- HU4903/02 humidifier:38 dB
Operating time
- CA-603 humidifier Ultrasonic:50 h
- HU4903/02 humidifier:11 h
Country of origin
- CA-603 humidifier Ultrasonic:China
- HU4903/02 humidifier:South Korea
Product colour
- CA-603 humidifier Ultrasonic:Black
- HU4903/02 humidifier:Metallic, Silver
AC input voltage
- CA-603 humidifier Ultrasonic:220 - 240 V
- HU4903/02 humidifier:220-240 V

Side by side

Differences highlightedShow differences only

Comparison of CA-603, HU4903/02
55 specifications	A Clean Air Optima CA-603 humidifier Ultrasonic Model CA-603 View product	B Philips HU4903/02 humidifier Model HU4903/02 View product
Technical details6 differ
Evaporation technologyKnown for one	Ultrasonic	Unknown — not stated by the source
Water tank capacityDiffers	5 L	4 L
Air purification capabilityKnown for one	Yes	Unknown — not stated by the source
Suitable for room area up toDiffers	45 m²	50 m²
Suitable for room volume up toKnown for one	100 m³	Unknown — not stated by the source
Automatic modeKnown for one	No	Unknown — not stated by the source
Timer duration (minimum)Known for one	1 h	Unknown — not stated by the source
Timer duration (maximum)Known for one	12 h	Unknown — not stated by the source
Humidity sensorKnown for one	Yes	Unknown — not stated by the source
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 offKnown for one	Yes	Unknown — not stated by the source
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 typeKnown for one	Rotary, Touch	Unknown — not stated by the source
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
FilteringKnown for one	Yes	Unknown — not stated by the source
Height adjustmentKnown for one	No	Unknown — not stated by the source
Humidification capacityDiffers	300 ml/h	255 ml/h
Humidity output up toKnown for one	300 g/h	Unknown — not stated by the source
HygrometerKnown for one	Yes	Unknown — not stated by the source
Ion emissionKnown for one	Negative ion	Unknown — not stated by the source
IonizerKnown for one	Yes	Unknown — not stated by the source
Mist typeKnown for one	Cool	Unknown — not stated by the source
Night modeKnown for one	No	Unknown — not stated by the source
Noise levelDiffers	25 dB	38 dB
Number of fan speedsKnown for one	3	Unknown — not stated by the source
Number of speedsKnown for one	3	Unknown — not stated by the source
Operating timeDiffers	50 h	11 h
Relative humidityKnown for one	45 - 75%	Unknown — not stated by the source
Removable filterKnown for one	Yes	Unknown — not stated by the source
Removable water tankKnown for one	Yes	Unknown — not stated by the source
Safety switchKnown for one	Yes	Unknown — not stated by the source
Sleep modeKnown for one	No	Unknown — not stated by the source
Timer	Yes	Yes
Country of originDiffers	China	South Korea
Warranty periodKnown for one	2 year(s)	Unknown — not stated by the source
Design1 differ
Control panel colourKnown for one	Black	Unknown — not stated by the source
Product colourDiffers	Black	Metallic, Silver
Built-in displayKnown for one	Yes	Unknown — not stated by the source
Power1 differ
AC input frequencyKnown for one	50/60 Hz	Unknown — not stated by the source
AC input voltageDiffers	220 - 240 V	220-240 V
Power consumption (typical)Known for one	30 W	Unknown — not stated by the source
Power supply typeKnown for one	AC	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	150 mm	340 mm
DepthDiffers	335 mm	316 mm
HeightDiffers	285 mm	415 mm
WeightKnown for one	2.6 kg	Unknown — not stated by the source
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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