Heaven Fresh HF 86 Personal Ionic Air Purifier Description Pack 300 people into a narrow metal tube and even the most sophisticated aircraft filters will have a hard time clearing the air of allergens and bacteria. The HF 86 Personal Ionic Air Purifier delivers ion-rich air to the mouth and nose. The unit is worn around the neck and weighs just 55 grams. This personal air purifier can be worn around the neck. It uses plasma breeze technology to deliver ion rich air to mouth and nose, providing clean, healthy air. Personal air purifier runs on 2 AAA batteries (not included). Features: Provides clean and healthy air wherever you go Light weight, compact and easy to carry DC powered use it anywhere you go! Product Details: Brand: HEAVEN FRESH Product Dimensions: 12 x 6 x 6 inches Item Weight: 1.94 ounces Manufacturer: Heaven Fresh Item model number: HF 86 Is Discontinued By Manufacturer: No Number of pieces: 1 Warranty Description: One years parts & labor. Batteries required: No