About 3M 3M is a global company based out of Maplewood, Minnesota that offers over 55 thousand products around the world. These products include adhesives, laminates, passive fire protection, abrasives, optical film, and many more. 3M has been a leader in innovative utility products in their industry for decades and continues to offer consumers and international clientele a vast array of top of the line products that showcase technology and superior design. Choose from several size options. High performance filter with electrostatically charged fibers. Activated carbon removes odors such as pet/smoke/cooking. Carries a 1200 microparticle performance rating. MERV rating of 11. Comes in a convenient pack of 4. Each filter lasts up to 3 months.