Graham Reflux Condensers are commonly employed in distillation and reflux processes. Featuring a distinctive spiral construction, these condensers present an increased surface area for condensation, subsequently driving heated vapors back to the reaction flask. This reflux activity enables an unbroken loop of vapor cycling, aiding in reliable and efficient distillation. Graham Reflux Condenser is made of Borosilicate glass 3.3 which is resistant to heat and almost all chemicals. It is used for high vapor pressure solvents, and it is efficient for Image(s) are representative of the product group and not necessarily the individual product. Note: End User Declaration required for the purchase of this product. Other sizes are available as per the table below. Contact us for further information. Item Code Socket Cone Length (mm) RS118.1 24/29 24/29 300 RS118.2.Premium 24/29 24/29 600 heavy wall Borosilicate Glass