14 x 24 x 1. Plus odor reduction. Unscented odor fighting power. 3 months of filtration performance. 75% effective at reducing large airborne particles. Reduces: Pollen, pet dander, dust mite debris, dust, household lint, mold spores, odors, smog, Outperforms basic pleated non-electrostatic filters. Free filter reminder services. Arm & hammer the standard of quality. Sign up for our free filter reminder service (at) www.protectplusair.com. Incase of emergency, damage, or need of repair, please contact us at 828-324-6454 or you can contact us on the web at: www.protecplusair.com. Scan to sign up now. Made in USA.