Home / Products tagged “Ai SolventVap 20L Rotary Evaporator | PolySciecne Chiller & Welch PTFE Pump 220V” Ai SolventVap 20L Rotary Evaporator | PolySciecne Chiller & Welch PTFE Pump 220V Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sort by Name: Alphabetical Ai SolventVap 20L Rotary Evaporator | PolyScience Chiller & Welch PTFE Pump 220V Ai SolventVap 20L Rotary Evaporator | PolyScience Chiller (evaporating flask capacity) series rotary evaporators come with all PTFE valves for solvent-resistant operations. Comes with both the Polyscience Chiller & Welch 2052 Diaphragm pump. $20,900.00 Add to cart