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DIY: Make Your Own HEPA Air Filtration System for Just $30!

DIY Air Purifier for about $30 Bucks! I was skeptical, but after watching the video from University of Michigan Health System’s Sinus Center, I was convinced! I went out and bought 2 filters. They were not the Merv 13 but they were close 80 ~ 85% with Microban. I have had them running for about an hour and my sinuses feel soo much better!

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From what I've read using a box fan with furnace HEPA filter is just as good as expensive HEPA filters. Love this design.

WINIX WRF-45CHC Air Purifier All-in-One Filter Cassette 450 for Pre/Carbon/True HEPA

Find and read great advice; Hepa Air Filter Air Purifier, Pet Air Cleaning Sanitizer and Odor Reduction With Water Filtration allergy Cleaning By SereneLife (PAIRPUR20)

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Austin Air HealthMate HEPA Air Purifier

HEPA FILTER AIR PURIFIER Cleaning System UV-C Allergy Immunology Dust Mites New

HEPA FILTER AIR PURIFIER Cleaning System UV-C Allergy Immunology Dust Mites New #GermGuardian

Crucial Hamilton Beach TrueAir Hepa Air Purifier Filter and Carbon, Part # 04913 and 04923 (air filter), Black

YCKW3052 Auto Engine Parts HEPA Air filter cleaner ait intake clean

Crucial Idylis C HEPA Air Purifier and Carbon Filter Set