Persisting in "High quality, Prompt Delivery, Competitive Price", we have established long-term cooperation with clients from both overseas and domestically and get new and old clients' high comments for If you are interested in any of our items, please don't hesitate to contact us and take the first step to build up a successful business relationship.

1) Filtration efficiency: under the condition of air flow (85 ± 2) l / min, the filtration efficiency of sodium chloride aerosol with median diameter (0.24 ± 0.06) μ m in aerodynamics shall not be less than 95%, that is to say, it shall meet the grade of N95 (or FFP2) and above. It can block the air-borne infectious factors with a diameter of less than 5 μ m or close contact with the infectious factors transmitted by droplets.

2) Suction resistance: under the above flow conditions, the suction resistance shall not exceed 343.2pa (35mmh2o).

3) When the sample is sprayed to the mask under the pressure of 10.9kpa (80mmHg), the inner side of the mask shall be free of penetration and other technical indicators.

4) The mask must be equipped with a nose clip, which is made of bendable plastic material with a length of more than 8.5cm.

5) Synthetic blood is sprayed at 10.7kpa (80mmHg) pressure to the mask sample, and there should be no penetration inside the mask.

We are ready to share our knowledge of marketing worldwide and recommend you suitable products at most competitive prices. So Profi Tools offer you best value of money and we are ready to develop together with Beverage gas 1m3 argon tank in honduras - Victank, The product will supply to all over the world, such as: Jersey, Porto, Hamburg, Accra, Our staffs are rich in experience and trained strictly, with professional knowledge, with energy and always respect their customers as the No. 1, and promise to do their best to provide the effective and individual service for customers. The Company pays attention to maintaining and developing the long-term cooperation relationship with the customers. We promise, as your ideal partner, we will develop a bright future and enjoy the satisfying fruit together with you, with persisting zeal, endless energy and forward spirit.