Ventilator Ultra Fine Filter Cotton Professional Filters Replacement Breathing Device Blue box filter cotton (reusable)

Description

Effectively filter PM2.5 and fine particle dust to better protect the health of patients. Block fine dust in the air, provide better quality air and improve the treatment effect. Filter the air that has entered the ventilator, remove the harmful dust and particles in air, ensure better intake of air. Regular replacement to guarantee clean air, ensure patients to get effective and safe treatment.