The Lennox Healthy Climate Carbon Clean 16 MERV 16 Filter has a dark gray color due to the new carbon coated fiber matrix. Dimensions: 20" x 20" x 5" Actual size: 19-3/4" x 19-7/8" x 4-3/8" The Lennox X7935 will remove a minimum of 95% of circulated dust and other particles from 0.3 micron and up and a minimum of 95% of mold spores and other bioaerosols from 0.3 micron and up. Same Day Supply is the product of a third generation family HVAC business. What makes our business unique from the rest?Treating customers like family and making sure they received the best deal on the products we sell. We offer a wide range of home improvement products like filters, humidifiers, dehumidifiers, thermostats, repair parts, and much more. What started as a small-town heating and cooling business has turned into an online business still driven by over 60 years of integrity, innovation and family values. Let us know how we can serve you. Same Day Supply has become an industry leader by offering great prices and treating customers with respect, caring and honesty. We operate our business on Christian principals and a minimum of 10% of company profits are donated directly to charities in support of orphans and widows in the local community and around the world. We only sell brand new, top-quality, name brand products from major manufacturers that we have installed and tested ourselves and we stand behind the effectiveness of every product that we sell. When your health and comfort is at stake, purchasing the right product is an important decision! We're happy to help and we appreciate your business!