EZwaste® Safety Vent VersaCap® 83mm, Ports, Tubing and a Chemical Exhaust Filter. Foxx Life Sciences™ EZwaste® Solvent Waste System is designed to be an affordable solution for liquid waste disposal. Each system is manufactured to safely collect waste from one or more HPLC systems while the carbon exhaust filters improve air quality by capturing potentially harmful vapors emitted from solvents.