P95 Filter for 3M 6000 Series Respirator Mask

• The product is 2 pairs, a total of 4 pieces filter cottons.
• Cannot be used alone,used with 6000,7000,FF-4 Filter Retainer.
• Compatible with 2091.Please confirm this is the model you need before placing an order.
• The product cannot produce oxygen, please do not use it when the oxygen concentration is lower than 19.5%.