What is the Difference Between a HEPA Filter & a Pre-Filter?

You’ll come across the terms “HEPA filter” and “pre-filter” when shopping for an air purifier. Understanding what these filters do will help you purchase an air purifier that will do the job you need. Let’s take an unfiltered look at air purifier filters.

RIDGID HEPA Vac Filter Kit with Certified HEPA Cartridge Filter, Fabric Pre-Filter for RIDGID 14 Gal HEPA Shop Vacuum RV2400HF HF1000 - The Home Depot

Dri-Eaz 1 MERV 8 Pre-Filter for HEPA 700, Box of 12 (125029)

What is a Pre-filter in Air Purifiers: HEPA Filter - It's Me Lady G

INOVA Air Purifiers What Pollutants Can Be Removed?

HEPA Filters Vs UV light What Is The Difference? - Ionizerhub

Pro Tip] Make a pre-filter for E and i series HEPA filters : r/roomba

Dri-Eaz 2 MERV 8 Pre-Filter for HEPA 700, Box of 6 (125026)

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TPLMB P60 Air Purifier Replacement Filters,Three-in-One Nylon Pre-Filter,True HEPA Filter,High-Efficiency Carbon Filter,P60-RF,White,Pack of 2. : Home & Kitchen

Whirlpool® True HEPA Filter 118900 + Charcoal Pre-Filters 817100

HEPA Air Filters: Classifications, Design, Uses, and Testing