Filter class: HEPA 13 Diameter: 27 cm Height: 25.4 cm Material: foam / plastic / filter paper Colour: white Weight: 1641 g Replacement cycle: every 2 years Compatible with the following device models: Philips AC4236/10 Philips Series 4000i Replaces the following original accessories: Philips FY4440/30 Philips Nanoprotect S3 .
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