Philips PureProtect Water 3400 Series - Humidification filter - FY3401/00
Philips Original NanoCloud Humidification Replacement Filter for 2-in-1 Air Purifier and Humidifier 3400 Series AC3420 and AC3421, 6 Months Lifetime (FY3401/00)
Overall Rating: 4.2 / 5 (average from multiple review sources, as of 18 Oct 2026)
Based on a total of 26,737 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 26,737 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Total Price
Only 10 left in stock.
Direct debit
Direct debit
Mastercard
Mastercard
Visa
Visa
£21.81
Free Delivery
Philips Replacement Fulter for PureProtect Water 3400 Series (FY3401/00)
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 2 working days of receiving cleared payment.
Other
Other
PayPal
PayPal
Wallet
Wallet
Mastercard
Mastercard
Visa
Visa
Apple Pay
Apple Pay
Diners Club
Diners Club
£24.99
Free Delivery
Cheapest offer
ORIGINAL PHILIPS FILTER: this original Philips filter is designed for a perfect fit with your device. For optimal performance, always use the genuine Philips filter. COMPATIBLE WITH PureProtect Water 3400 Series: replacement humidification filter for Philips 2in1 air purifier and humidifier models AC3420 and AC3421. You can find your air purifier model on the bottom of the device UP TO 6 MONTHS OF USAGE: This humidification filter provides consistent protection and guarantees optimal filtration for up to 6 months² HYGIENIC HUMIDIFICATION WITH NANOCLOUD TECHNOLOGY: NanoCloud emits an ultra-fine mist that is invisible to the naked eye. It humidifies air with up to 99,9% fewer bacteria released than standard ultrasonic humidifiers, safe to use with tap water¹ CONNECT WITH THE AIR+ APP: connect your device to the Air+ app to monitor your filter status
£21.81
Only 10 left in stock.
Amazon-marketplace.co.uk
🤖 Ask ChatGPT
💡 Is it worth the price?
🔁 Better alternatives?
⭐ What do users say?
Philips Original NanoCloud Humidification Replacement Filter for 2-in-1 Air Purifier and Humidifier 3400 Series AC3420 and AC3421, 6 Months Lifetime (FY3401/00) - Details
▶ Finding you the best price!
We have found 2 prices for Philips Original NanoCloud Humidification Replacement Filter for 2-in-1 Air Purifier and Humidifier 3400 Series AC3420 and AC3421, 6 Months Lifetime (FY3401/00). Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Philips Original NanoCloud Humidification Replacement Filter for 2-in-1 Air Purifier and Humidifier 3400 Series AC3420 and AC3421, 6 Months Lifetime (FY3401/00) - Price Information
- Cheapest price: £21.81
- The cheapest price is offered by Amazon-marketplace.co.uk. You can order the product there.
- The price range for Philips Original NanoCloud Humidification Replacement Filter for 2-in-1 Air Purifier and Humidifier 3400 Series AC3420 and AC3421, 6 Months Lifetime (FY3401/00) is £21.81 to £24.99, with a total of 2 offers.
- Payment methods: The online shop Amazon-marketplace.co.uk supports: Direct debit, Mastercard, Visa
- Delivery: The shortest delivery time is Only 10 left in stock. working days offered by Amazon-marketplace.co.uk.
Similar products
PHILIPS PureProtect Water 3400 Series AC3420/10 Smart 2-in-1 Air Purifier & Humidifier - Arctic White
£310.00
bootskitchenappliances.com(UK)
Delivery from £19.99
Philips PureProtect Water Air purifier (AC3420/10 )
£329.99
ebay.co.uk
Free Delivery
2 Pack FY5030/00 Replacement Humidifier Filter Compatible with Philips Air Purifier 5000 Series,HU5710/00、HU5710/03、HU5600，For PureProtect Water
£29.90
Amazon-marketplace.co.uk
Free Delivery
PHILIPS PureProtect Water 3400 Series AC3420/10 Smart 2-in-1 Air Purifier & Humidifier - Arctic White
£329.00
currys.co.uk
Free Delivery
Don't forget your voucher code:
Report illegal content
You are about to report a violation based on the EU Digital Services Act (DSA).