Price is driven by capacity and performance features. Key drivers include flow rate, vacuum dehydration capability, degassing efficiency, final filtration grade, heater power, automation level, monitoring sensors, and whether it supports online processing. Build quality matters: pumps, vacuum system, filter housings, valves, and control components strongly affect cost and reliability. Mobility and safety features also add cost, such as explosion proof motors, spill containment, and noise reduction. Certification requirements, after sales support, warranty, and spare parts availability are major procurement factors, especially for utility grade units intended for field deployment.