VIVOSUN 4 Inch Prefilter for 4″ Carbon Filter, White, 9.84″ Long(Black)

Description Durable: Made of high-quality PP cotton, it is durable and can withstand multiple cleanings without deformation and can be used repeatedly Reliable Protection: The 1.8 mm thickness shields the charcoal bed from hair, dirt, lint, and other large debris Good Filtration: Breathable material allows unobstructed passage of air for proper air filtration and odor control, ensuring optimum air quality Ideal Compatibility: Filtrates larger particles from the air, preventing them from getting into the carbon filter and causing blockages, extending the lifespan of carbon filter; Available in a variety of sizes to meet the needs of different sizes of carbon filter Easy to Install: The sleeve is made according to the shape of the carbon filter, which means that you won't need any extra tools to install or remove it