wholesale masks, protective masks, dust masks, including filter box labor protection products, source factory

Double-tank breathing valve, applicable in industrial fields such as construction and mining

【Product Maintenance】: 1. Clean the main mask with warm water and let it dry; avoid exposure to sunlight. 2. The mask and gas filter should be stored in a clean, dry place with appropriate temperature, between -20°C and +45°C, with a storage period of 3 years. 3. After use, wash the mask with warm water below 30°C or wipe it with alcohol, then place it in a well-ventilated, dry environment at 0–35°C. Do not use heat or direct sunlight. Do not store it together with acids, bases, or other toxic substances. Maintenance: 1. Replace the gas filter. Available at this store. Simply unscrew the filter to prevent gas leakage, then tighten the cover. Gently shake the filter to ensure no friction sound is heard. 2. The mask and filter should be stored in a clean, dry place with appropriate temperature. 3. There is no specific replacement time for the filter box; replace it immediately if you feel the air is unclean based on your working environment.