17/24" on the interior of the filter, not signed Frame Not included Lot 235 Fagend Study , Conceived in 1968 and 1976 Fagend Study , Conceived in 1968 and 1976 Cast aluminum hand painted with enamel 10 18 1/2 7 in | 25.4 47 17.8 cm Edition 17/24 Property from a Distinguished Private Collection, Florida Materials Cast aluminum hand painted with enamel Size 10 18 1/2 7 in | 25.4 47 17.8 cm Medium Signature Stamped with the artist's name, inscribed, titled, numbered and dated "FAGEND STUDY 1968 FABRICATED BY LIPPINCOT INC
The effort was part a campaign to reduce outdoor smoking and cigarette butt littering
Pros: multi-layer approach Limits: thickness and airflow can vary a lot by design Materials used alongside activated carbon Activated carbon is the main working material, but it is rarely used alone
When you smoke combustible cigarettes, carbon monoxide binds to your hemoglobin with high affinity, displacing oxygen molecules and reducing your bloods oxygen-carrying capacity
However, it sets itself apart as its a commercial-grade HEPA air cleaner