Proper handling of laboratory waste collection can protect laboratory staff, facility staff (such as cleaners) and external parties from pollution risks. Volatile hazardous vapor of chemical waste discharged from laboratory instruments can easily contaminate laboratory environment, it would cause serious air pollution to laboratory if overflow, and cause health problems to lab personnel. RayKol liquid lab waste bucket provides safe transport and disposal of hazardous liquids for laboratory equipments. This liquid waste container can efficiently filter harmful vapor and contains liquid level alarm to prevent liquid waste leakage.