Philips
Formaldehyde filter

AC4142

Healthy Air Always

for Philips clean air system AC4072/AC4074

Healthy Air
Filters out formaldehyde & other volatile organic compound*
Filters out bacteria
Filters out dust and allergens
Always
HealthyAirProtect Lock ensures healthy air always
Simplicity
HealthyAirProtect Alert warns you when to replace filter
Easy-to-install filter