Fits checked Oct 1, 2026 · How we check

Fits these models

Part numbers

Genuine part
OS1109B1831A
How often
Replace every 6 months
What is in it
pre-filter; H13 HEPA filter; antimicrobial filter

Sources

  • Which filter fits web.archive.org Maker's archived page checked Oct 1, 2026
    True HEPA Filter unique designed for Okaysou AirMax8L air purifier (snapshot 2021-10-19)
  • How often web.archive.org Maker's archived page checked Oct 1, 2026
    it is recommended to replace the filter every 6 months
  • What's in it web.archive.org Maker's archived page checked Oct 1, 2026
    Combines with Pre-filter, HEPA filter, and Antimicrobial filter in 1
Show all 5 sources

Which filter fits

  1. web.archive.org Maker's archived page checked Oct 1, 2026
    True HEPA Filter unique designed for Okaysou AirMax8L air purifier (snapshot 2021-10-19)
  2. web.archive.org Maker's archived page checked Oct 1, 2026
    Okaysou AirMax 8L HEPA Ultra-Filter ... sku OS1109B1831A
  3. web.archive.org Maker's archived page checked Oct 1, 2026
    variant 3-in-1 HEPA Ultra-Filter, sku OS1109B1831A, barcode 736900011074 (snapshot 2023-10-02)

How often

  1. web.archive.org Maker's archived page checked Oct 1, 2026
    it is recommended to replace the filter every 6 months

What's in it

  1. web.archive.org Maker's archived page checked Oct 1, 2026
    Combines with Pre-filter, HEPA filter, and Antimicrobial filter in 1