Remote 12V PWM PC Fan Controller 4 Pin Fans Supported, Digital Speed Adjustment Display & 4 Pin 3-Way Splitter Hub, Powered by 12V USB C Type-C PD QC, Max Total Output 60W

Remote 12V PWM PC Fan Controller 4 Pin Fans Supported, Digital Speed Adjustment Display & 4 Pin 3-Way Splitter Hub, Powered by 12V USB C Type-C PD QC, Max Total Output 60W

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Justifiers posted on r/airpurifiers1d

DIY a PC fan CRbox. Way cheaper both upfront and over years of operation Item Price Link Filters $74 https://www.amazon.com/Filtrete-Performance-Ultrafine-Particles-CERTIFIED/dp/B0DZJM2ZSW Fan Mount $44 www.amazon.com/Alphacool-Nova-1080-Grill-9x120mm/dp/B0C4CKHFKG Fans $55 www.amazon.com/ARCTIC-P12-Pro-PST-Powerful/dp/B0DJDDCG4M Foil Tape $7 www.amazon.com/Aluminum-Ductwork-Temperature-Insulation-Adhesive/dp/B0B6NDFXPN Fan Controller $20 www.amazon.com/Controller-Supported-Digital-Adjustment-Splitter/dp/B0GKGJKFTY Duct to 120mm Fan Coupler $11 www.amazon.com/Coolerguys-Ducting-Shroud-Greenhouses-Enclosures/dp/B097W4LY4T/ VOC Filtration (odors) $70 www.amazon.com/AC-Infinity-Australian-Charcoal-Hydroponics/dp/B07GSKTT86 Nuts and Bolts $10 www.amazon.com/Washers-Machine-Assortment-Threaded-Furniture/dp/B0FGJ9FRGQ/ Duct Coupler $17 www.amazon.com/AC-Infinity-Reduction-Stainless-Flexible/dp/B0B6KHN3JV/ Fan Guards $8 www.amazon.com/DVUIYYL-10-120mm-Grill-Bracket/dp/B0GVCLJRGT/ Total $316 That setup stomps the types of purifiers you're going to be recommended here, and if/when needed you can just buy replacement filters for any brand with HEPA filters available in the future, such as: ($80) https://www.amazon.com/Winix-Compatible-Cleaner-5500-2-Replacement/dp/B01JLT1OR8 and it also has an absolutely massive (and refillable) VOC filtration stage, which only +1k purifiers have comparable offerings Can also use hot glue instead of or with the foil tape for setup Can also use a single duct fan instead of 10 120mm fans (though 120mm fans are way quieter and efficient)