For 2L, 3L, or 4L flasks. Holds flask and cover together firmly. Consists of a ring and three insulated spring-activated clamping arms that fit beneath the flange of the flask body. Stainless steel springs.
Designed to fit 1.8m fume hoods. Includes four 157.5cm horizontal rods, six 91.4cm vertical rods, two 30.5cm base rods, two 45.7cm rear support rods, eight 5.1cm rods, 38 lattice connectors, four rod-end connectors, and four lab-frame feet.