sprinkle drops of vanilla, orange, lemon or almond extract on return air filter to scent your entire home. Try with eucalyptus, rosemary or tea tree extracts to see if those work as well. Does it actually work and for how long?
Light boxes made using air filters, cardboard, duct tape and led lighting. Awesome, practical and cost effective. Cheaper way of creating the light boxes. Explores the idea of stacking and presentation.