Alero PT Chameleon multi-phasing passive air freshener with sub-micron fragrance technology. Multiple fragrances from just one air freshener. Utilizing 'sub-micron' fragrance technology, enabling superior fragrance delivery with particles sized below 1.0 micron. The refills are totally organic, totally biodegradable, and the dispenser is manufactured from 100% recycled materials and is recyclable. Part of the SCENT. SYNERGY. SYSTEMS. Carbon footprint approved. Approximate refill weight: 7.7 oz.