AEM Dryflow Air Filters are washable synthetic air filters designed for an optimum combination of air flow, filtration, and performance. AEM Dryflow filters use an innovative high performance oil-free filtration material that allows easy cleaning, durable service, and excellent filtration. Replacement air filters for street vehicles come with a lifetime limited warranty. Other air filters come with a one year limited warranty. PartNumber : aem28-20443 Description : AEM 10-18 Lexus RX350 V6-3.5L F/I DryFlow Air Filter Air Filter Shape : Panel Filter Material : Non-woven Synthetic Frame Design : Flexible Height : 1.5 in (38 mm) Item Type : High Performance Oil Included : No Filter Oil Required Outside Length : 9.625 in (244 mm) Outside Width : 8.75 in (222 mm) Package Contents : 1 Air Filter Package Material : Corrugated Package Quantity : 1 Package Type : Box Pre-Screened : No Product Style : AEM Dryflow Panel Air Filter Title : AEM AEM-28-20443 AEM DryFlow Air Filter Warranty : Limited Lifetime Washable : Yes Weight : 1.2 lb (0.5 kg) Air Filters::Air Filters - Drop In