ABSORPTION TUBE, U – FORM, STOPPERED
Glass, with side tubes, closed by hollow ground in glass stoppers which when rotated can open or close the side tubes.
Size of U-tube excluding stopper, length x diameter mm.
Cat. No. Height x diameter mm.
23.01 100 x 12
23.02 125 x 15
23.03 150 x 20
23.04 200 x 25