Artie Vierkant. Air filter and method of constructing same 9, Black Square (Exploit), 2013. Aluminum and fiberglass mesh, Overall: 45 1/16 × 45 × 1/4in. (114.5 × 114.3 × 0.6 cm). Whitney Museum of American Art, New York; gift of Ricky Manne, 2018.254. (Photo: Whitney Museum of American Art)