Synthware rotary evporator anti-splash trap, modified. With extra coarse porosity fritted disc sealed above lower inner joint. Trap is placed between the vapor tube and the evaporation flask. This design prevent possible contamination in the event of bumping. Frit reduces foam overflow from being drawn into the condenser. With two 4mm drain holes at the base of the inner tube to allow solvent to drain back into the evaporation flask. Has upper outer and lower inner standard taper joints.