Brand GmbH & Co. KG Desiccator, with tube cover NS 24/29 Boro 3.3, nominal size 250 mm, 320 x 417 mm, with stopcock, interchangeable tube lid, DIN 12

Boro 3.3. DIN 12491. With precisely machined flat ground joints. The base ring surface is grained to increase stability and protect against cracking. Replaceable lid. Tube, NS 24/29, including stopcock.