Ace Receiving Tube/Cylinder for Rotary Evaporators, model 2369420 is manufactured by Ace Glass. This product is a tapered bottom receiving tube for use as replacement receivers on all rotary evaporator glassware sets. Graduated in 0.5 mL increments from 0-10 mL. Joint is 35/20. Joint ST/NS35/20 spherical outer joint top.