
| Compatible With | Philips PureProtect 3400 Series (AC3420, AC3421) |
| Filter Type | 3-in-1 HEPA NanoProtect with Activated Carbon and Pre-filter |
| Filtration Efficiency | Traps 99.97% of particles as small as 0.003 microns |
| Lifespan | Up to 1 year |
| In The Box | 1 filter |
| Origin | Original Philips filter |
| Layers | 3-layer filtration |