The long neck culture flask is basically an Erlenmeyer flask to which a long straight, rimless neck of heavy tubing has been added. The longer necks reduce the amount of splashed solution reaching the closure. It is ideal for shaker cultures.
Cat. Nos. 26794-25 and 26795-25 closure fits 125 mL. Cat. Nos. 26796-38 and 26797-38 closure fits 250, 500, 1L, 2L.