Square Shape Breathing Valve Accessory For Dust Head Mounted

Square Shape Breathing Valve Accessory For Dust Head Mounted

1. It's accessory - breathing valve

2. Unilateral air vent , when exhale air , the silicon gasket open , when inhale air , the silicon gasket close 

3. Effectively protect from dust , allergies items ,smoke , pollution 

4. Logo printed acceptable

1. Customsized color

2. We can help to do your own brand;

3. OEM colors and OEM package;

4 . New Brand establish insistence;

5.Sample fee: sample fee is free, shipping cost paid by customer, and the shipping cost will be refunded

when mass order confirmed;

6. Wholeheartedly for you to solve any problem.