Bel-Art Scienceware 182180000 Acetal Plastic Tubing Clamp, 25/16" Length (Pack of 12)
Set-up securely holds as many as eight chromatography columns up to 30mm (1 3/16") in diameter. The rack can be wall-mounted or be placed on two support stand rods. With a support stand, the height of the rack can be adjusted sliding into place and then tightening with screws. Chromatography columns are held in or between flexible loops secured to the plastic backing of the rack. Rack measures 31.1 x 6.4cm (12 1/4 x 2 1/2") Sold per each.