... Bath Lid//26Adaptor- O -- O -27.Optional Evaporating Flask100ml, 250ml, 500ml, 1L100ml, 250ml, 500ml, 1LSymbol Instruction: - Y - (Equipped), - O - (Optional), - / - (N/A ... -- Simple & Relexed 3l Rotary Evaporator complete set 3.3 high borosilicate glass, SUS304 Stand, durable sealing, - SENCO