Details: REPLACEMENT SET FOR DUST MASK What’s included? – 10x Activated Carbon PM2.5 Filters – 4x One-way flow valves PROUD REFORESTATION PARTNER OF ONE TREE PLANTED For every purchase of Airnex products, you contribute to plant one tree in California to support reforestation in lands damaged by wildfires. Trees play an important role in the vitality of California communities. Your contribution will help our amazing partners plant trees and restore forests throughout California. These foresters work hard to promote improved vegetation planning and resource management, helping to reduce the risk of catastrophic fires and floods in the region. Species planted include the Sugar Pine, California Redwood (State Tree), Maple, Elderberry, Willow, Birch, Dogwood, Cedar, Giant Sequoia, and Walnut. DURATION OF FILTERS AND VALVES Duration time for filters depends on the pollution level and the frequency of usage. We recommend replacing the filter once a week if the mask is used extensively. The valves should be replaced when they get damaged.
Package Dimensions: 48x196x59