CORE 300 For LEVOIT AIR PURIFIER:Review (Performance Test) Filtration: 3-in-1 Pre-filter, HEPA, and a granular activated carbon filter (standard) HEPA class: True HEPA Filter life: 6-8 months Maximum CADR: 230 cubic meter per hour (m3/h) or 135 cubic feet per minute (cfm) Room Coverage: 200 square feet with 5 air changes per hour (ACH) Sensors: No Number of manual fan […]

Introduction of SHARP KC- F30E-W SHARP KC- F30E is the latest launch by Sharp which offers an air purifier with humidification function by natural evaporation and maintains humidity levels. It also has optional hydrosols for natural aroma. The machine has a sensor for humidity and is able to maintain the RH levels in the room […]

What are the standards of Chinese masks, mask manufacturers tell you GB2626-2006 Respiratory Protective Products-Self-priming Filtering Anti-particulate Respirator This standard specifies the technical requirements, detection methods and identification of self-priming filter anti-particulate respirators, mainly for the definition of industrial dust masks. GB2626-2006 specification was issued by the State Administration of Work Safety on March 27, […]

Air pollution is everywhere. The fine pollutants in the air break through our body’s defenses, penetrate into our respiratory and circulatory systems, and damage our lungs, heart and brain. There are two types of air pollution: environmental (outdoor) air pollution and indoor air pollution. The latter is mainly caused by burning household fuels (coal, wood […]

WHAT IS A HEPA FILTER? “HEPA” is the abbreviation of “high-efficiency particulate air” (filter).so a HEPA filter is a High Efficiency Particulate Air filter. The history of filter is back to World War II, when the Atomic Energy Commission needed a filter to protect researchers from radiocative dust particles that might present a health hazard […]