$16.99 - $13.99
(as of Aug 12,2020 16:59:54 UTC – Details)
Easy to match:
You can match the exhaust valve with various face protection , suitable for traveling, gardening, construction, woodworking, sanding, painting, cleaning, sports, fitness, training, running, hiking, climbing, skiing, cycling, motorcycle and more.
Good filter protection:
Our exchangeable activated carbon filters will help protect your lungs from substances like pollution, carbon, construction dust and more, improves airflow, facilitating breathing and reducing condensation, provide you extra safety in daily life.
Quantity: 30 pieces
Outside diameter: approx. 40 mm x 35 mm / 1.57 inch x 1.38 inch
Inside diameter: approx. 18 mm / 0.71 inch
30 x Exhaust Valves Replacement
Filter insert can not be cleaned and should be replaced every 1-2 days.
There may be some errors in manual measurement of dimensions.
Bring healthy breathing: this activated carbon cover filter is designed for air circulation, made of durable and firm material, which can provide good protection against dust, pollen, fumes, smoke and other common airborne irritants, bring you healthy breathing
Practical design: this exhaust valves replacement adopts micro sensitive two-way breathing valve, which can properly deform according to the pressure difference during breathing, making your breathing smoother and nicely reducing the breathing resistance
Universal fit: these exhaust valves measure approx. 40 x 35 mm/ 1.57 x 1.38 inches in outside diameter and approx. 18 mm/ 0.71 inches in inside diameter, easy to wear and take off, bring you much convenience
Wide ranges of usage: these exhaust valve replacements are suitable for various outdoor activities, you can match them with your face protection for running, walking, climbing, cycling, hiking, camping, riding, woodworking, food making and other occasions
Large quantity to use: you will receive 30 pieces exhaust valves in this package, enough quantity to meet your daily use and replacement demands, also nice to share with your family, friends and classmates