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This unit fits all 06-08 GM 6.6L Duramax Pickups - LLY, LBZ & LMM AIRAID® Premium Filters consist of multiple layers of cotton-gauze plus one layer of synthetic fiber material called SynthaFlow®, sandwiched between either stainless steel or aluminum mesh, depending upon the application. The casing of the filter is hand-poured urethane, which offers superior performance and durability, and won’t shrink or crack from prolonged heat exposure under the hood.
Superior filtration and flow, thanks to the SynthaFlow® material, is what makes AIRAID® Premium filters better than the rest. SynthaFlow® enhances dirt filtration down to two microns and is moisture resistant. AIRAID® Premium Filters are also washable and re-usable and are guaranteed for life. | 
