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Key Features
- Compatible with PureProtect Water, 3400 series
- Long lasting filter for up to 1 year
- Original Philips filter for the best performance
- 3-layer HEPA filtration traps 99.97% of smallest particles
- Follow the smart filter status indicator on your device
Philips PureProtect Water 3400 Series HEPA NanoProtect filter, FY3400/30

Genuine replacement filter for your 2-in-1 air purifier and humidifier: 3-in-1 HEPA NanoProtect, Active Carbon and pre-filter for protection against pollution, pollen, dust, pet dander and viruses.
Key Features:
Compatible with PureProtect Water, 3400 series
Replacement filter for Philips PureProtect 3400 Series, 2-in-1 air purifier and humidifier: AC3420, AC3421. You can find your air purifier model on the bottom of the device.
Original Philips filter for the best performance
The original Philips filter is designed for a perfect fit with your device. For optimal performance, always use a genuine Philips filter.
Long-lasting filter for up to 1 year
The filters ensure optimal filtration performance for up to 1 year (2), reducing hassle and cost. To enhance filtration, vacuum the pre-filter regularly.
Follow the smart filter status indicator on your device
The indicator on the display of your Philips device notifies you when you need to replace the filter. Maintenance is effortless, taking less than a minute.
Connect with the Air+ app for added convenience
Connect your device to the Air+ app to monitor your filter status and easily order replacements when needed.
Specifications
Global
- EAN: 8720389040863
- Model Number: FY3400/30
Compatibility
- Compatible Model: For Philips air purifier(s):AC3420, AC3421
In The Box & Warranty
- Included: 1x filter
- Warranty (Years): 1
Manuals
Why Buy?
Keep your air purifier working at peak performance
When your Philips PureProtect Water 3400 Series air purifier starts losing its edge, this genuine replacement filter brings it back to full strength, ensuring your home stays protected from dust, pollen, pet dander and other airborne particles that affect your family's comfort.
This three-layer HEPA NanoProtect filter catches 99.97% of microscopic particles, including viruses and fine pollutants you can't see but definitely breathe in. Your purifier works harder with a worn-out filter, using more energy while delivering less clean air. A fresh filter means quieter operation, better air quality, and the peace of mind that comes from knowing your device is actually doing its job properly.
Designed specifically for your Philips device, it fits perfectly and lasts up to 12 months with normal use. Your purifier's smart indicator tells you exactly when to replace it, making maintenance simple and stress-free. The Air+ app even lets you order your next filter before you run out, so you never have to worry about breathing compromised air.
Buy this if…
- You own a Philips PureProtect Water AC3420 or AC3421 air purifier
- Your current filter is approaching the 12-month replacement point
- Someone in your household has allergies, asthma or dust sensitivities
- You want genuine Philips quality rather than generic alternatives
- You prefer hassle-free maintenance with reliable, long-lasting performance




