You can find your air purifier model on the bottom of the device.
Philips HEPA NanoProtect filter for Series 3000 Air Purifiers (FY3430/30)
Philips NanoProtect Filter Active Carbon FY3432 for Air Purifier Healthy Air NEW
Philips Nanoprotect Filter Active Carbon and Pre-Filter, 12 Months Lifetime, Com
Philips Replacement Filter for PureProtect Water 3400 Series (FY3400/30)
Philips NanoProtect HEPA Filter for AC4550, AC4558, AC3256, AC3259 (FY3433/10)
FY0293/30 Replacment NanoProtect HEPA Filter for Philips 800 Series Air Purifier
