DIY "Activated Carbon" Air Purifier! The "5 Gal. Bucket" All-Odor Air Cleaner! ~ smoke, smog, fumes

DIY Air Filtration System! - Homemade Air Purifier - Simple "box fan" conversion! - very effective!

DIY Air Filter! - The "5 Gallon Bucket" Air Filter! - Homemade Air Purifier - Can be Solar Powered!

Homemade Air Purifier! - The "Window Fan" Air Filtration System! - Easy DIY (w/box fan conversion!)

DIY Smoke Extractor! "Water Based" Smoke Fume Odor Removal (cigs to solder fumes!) air purifier

Homemade "5 Gallon Bucket" Evap. Cooler / Air Filter - Update: Adding Vent Pipe to Focus the Breeze

DIY Air Purifier! - The "2 Gallon Bucket" Air Filter! - ez DIY (100% solar powered!)

DIY Air Filter! - Up To MERV 12! (w/activated carbon) - carbon air purifer! odor removal! AC/DC Pwrd

How to use AC power to run all of my 12V DC projects - here's how! (AC/DC conv)

DIY Air Purifier! - Homemade "Box Style" Air Filtering Cube - Easy DIY - can be solar powered

MY 3 DIY Air Filters! (comp. vid.) - DIY Air Filtration - AC&DC powered (solar) - All Easy DIY's

DIY Warm Mist Humidifier! ✔ for Off-Grid living ✔ ~12v Ceramic Heating (ptc) DIY

Activated Carbon Window Air Filter! - non-electric! good for smoke/smog/soot/ash/dust/dirt/allergens