Derblue Replacement True Hepa Filter Compatible With Holmes Aer1 Series Including 4Pcs Filters And 8Pcs Pre Filters Replacement

Derblue Filter Replacement Set: Including 4Pcs Filters And 8Pcs Pre Filters, Hapf300Ah-U4R.Filters Advantage: Evidently Improves The Air Quality. Filter Removes Unfavorable Household Smell And Traps The Dust.Replacement Cycle: Replace The Filter Once A Year, And Replace The Carbon Pre-Filter Every Six Months, Your Room Will Feel Cleaner And Smell Fresher With Regular Filter Changes.Disclaimer: This Is Not A Holmes Oem Product. The Holmes Brand Names And Logos Are The Registered Trademarks Of Their Respective Owners. Any Use Of The Holmes Brand Name Or Model Designation For This Product Is Made Solely For Purposes Of Demonstrating Compatibility.