Glass Reducers are for reducing your 18mm joint into a 14mm  joint or alternatively your 14mm joint to 10mm. They are especially useful when pairing together different sizes of glassware that don't otherwise fit!  Now available in New - The New Style is slimmed down and comes with thicker glass, this reduces the chance of knocks and breakages upon knocking and helps it fit into smaller spaces!    Borosilicate Glass Reducer  18mm female/14mm male joints or 14mm female /10 mm male joints.  Please select your desired option from the menu.