10 Pcs Respirator KN95 Face Masks Frequency Range: 136-174&400-470MHz

Frequency Range: 136-174&400-470MHz

Rugged blade folding hand saw with triple edge teeth hardened to stay sharp for smooth and fast sawing

1000mAh rechargeable battery provides up to 10 hours of light or 4-6 hours of radio broadcast

Automatic Alarming or Not (Kettle): No

it weighs 2oz for ultralight portability and has a high flow rate for drinking from the source

10 Pcs Respirator KN95 Face Masks Frequency Range: 136-174&400-470MHzPRODUCT DETAIL: The adjustable elastic buckle makes comfortable wear. The nose part design gives a large space for free breathing. The adjustable metal nose piece can get fit with different face shapes and seal better. FEATURES: This Face Mask with Filters and a breathing valve can allow air to enter the body while keeping moisture out. It also keeps you away from toxins and harmful substances in the air. This dust respirator can be used to protect