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How To Build An Affordable Air Purifier for Under $50!
Building a air purifier system for your home is easy (and affordable!). In this video, I'll take you step-by-step so you can build your own. Download the Start Preparing! Survival Guide here: https://cityprepping.tv/38C5Ftt ... Start your preparedness journey: https://cityprepping.tv/3lbc0P9
Here are the items I purchased:
* Merv 13, 20x20x2 air filters: https://a.co/d/0O3c7Xj
* 20" box fan: https://www.amazon.com/s?k=box+fan
* Duct tape: https://www.amazon.com/s?k=duct+tape&crid=7OXBQQTAWCYQ&sprefix=duct+tape%2Caps%2C134&ref=nb_sb_noss_2
Step-by-step instructions (image):
* https://imgur.com/GKaDZuX
Here's the scientific evidence showing how this works:
* Cadnum, J.L. et al. (2023) ‘Effectiveness of commercial portable air cleaners and a do-it-yourself minimum efficiency reporting value (MERV)-13 filter box fan air cleaner in reducing aerosolized bacteriophage MS2’, Infection Control & Hospital Epidemiology, 44(4), pp. 663–665. Available at: https://doi.org/10.1017/ice.2022.5.
* Dal Porto, R. et al. (2022) ‘Characterizing the performance of a do-it-yourself (DIY) box fan air filter’, Aerosol Science and Technology, 56(6), pp. 564–572. Available at: https://doi.org/10.1080/02786826.2022.2054674.
* Derk, R.C. et al. (2023) ‘Efficacy of Do-It-Yourself air filtration units in reducing exposure to simulated respiratory aerosols’, Building and Environment, 229, p. 109920. Available at: https://doi.org/10.1016/j.buildenv.2022.109920.
* Dodson, R.E. et al. (2023) ‘Does Using Corsi–Rosenthal Boxes to Mitigate COVID-19 Transmission Also Reduce Indoor Air Concentrations of PFAS and Phthalates?’, Environmental Science & Technology, 57(1), pp. 415–427. Available at: https://doi.org/10.1021/acs.est.2c05169.
* Gasparrini, W. et al. (2022) Testing the Efficacy of the ‘Corsi-Rosenthal’ Box Fan Filter in an Active Classroom Environment. preprint. Chemistry. Available at: https://doi.org/10.26434/chemrxiv-2022-77x33.
* He, R.(何瑞辰) et al. (2021) ‘Airborne transmission of COVID-19 and mitigation using box fan air cleaners in a poorly ventilated classroom’, Physics of Fluids, 33(5), p. 057107. Available at: https://doi.org/10.1063/5.0050058.
* Holder, A.L., Halliday, H.S. and Virtaranta, L. (2022) ‘Impact of do-it-yourself air cleaner design on the reduction of simulated wildfire smoke in a controlled chamber environment’, Indoor Air, 32(11), p. e13163. Available at: https://doi.org/10.1111/ina.13163.
* Li, L. et al. (2022) ‘Effect of low-cost recirculating portable air filtration on aerosol particle deposition and concentration in a conference room: Experiment, theory, and simulation comparison’, Journal of Aerosol Science, 166, p. 106048. Available at: https://doi.org/10.1016/j.jaerosci.2022.106048.
* May, N.W., Dixon, C. and Jaffe, D.A. (2021) ‘Impact of Wildfire Smoke Events on Indoor Air Quality and Evaluation of a Low-cost Filtration Method’, Aerosol and Air Quality Research, 21(7), p. 210046. Available at: https://doi.org/10.4209/aaqr.210046.
* Srikrishna, D. (2022a) ‘Can 10× cheaper, lower-efficiency particulate air filters and box fans complement High-Efficiency Particulate Air (HEPA) purifiers to help control the COVID-19 pandemic?’, Science of The Total Environment, 838, p. 155884. Available at: https://doi.org/10.1016/j.scitotenv.2022.155884.
* Srikrishna, D. (2022b) ‘Long-term experience with rapid air filtration (6 to 15 air changes per hour) in a K-5 elementary school using HEPA and Do-It-Yourself (DIY) air purifiers during the COVID-19 pandemic’. medRxiv, p. 2022.11.05.22281734. Available at: https://doi.org/10.1101/2022.11.05.22281734.
* Tham, K.W. et al. (2021) ‘Performance characteristics of a fan filter unit (FFU) in mitigating particulate matter levels in a naturally ventilated classroom during haze conditions’, Indoor Air, 31(3), pp. 795–806. Available at: https://doi.org/10.1111/ina.12771.
* Van Valkinburgh, K. et al. (2022) ‘Assessing Mitigation Strategies to Reduce Potential Exposures to Indoor Particle Release Events’, Aerosol and Air Quality Research, 22(9), p. 220054. Available at: https://doi.org/10.4209/aaqr.220054.
DISCLAIMER: This video description contains affiliate links, which means that if you click on one of the product links, I’ll receive a small commission. This helps supports my channel and allows me to continue making videos. Thank you for your support! Support the channel by clicking here before you start shopping on Amazon: http://amzn.to/2vbNo1l (heck, even bookmark it for future use if you're feeling extra generous).
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