Labconco Echo Filtered Fume Hood Work Surface 4', No Cupsink Cutouts... Cupsink and Turret Kit, polypropylene cupsink, 3 x 6, and chrome turret mount on right side wall. Cup Sink In Fume Hood at Laverne Kelleher blog 4852500 Basic Hood Cupsink And Turret Kit Instructions Labconco® Basic Hood Cupsink And Turret Kit 4852500 Basic Hood Cupsink And Turret Kit Reviews New features added include an integral 105dB piezo sounder, and low-temperature sensing (to alert you to conditions that can lead to frozen pipes