QuasarBeam C20023C Carbon Activated Premium Cabin Air Filter Guard for Lexus, Scion, Subaru, Toyota Models Carbon Activated Cabin Air Filter absorb up to 99.5 percent of allergens including dust and pollen. Filters most dangerous toxic gases and odors. For Best Performance and Efficiency It is recommended to replace the air filter every 12,000 to 15,000 miles, or per the owners manual. Compatible models : FRAM CF10285 , Purolator C35667, Prime Guard PCF5667. OEM : 87139-30040, 87139-52020, 87139-50060 Filter Dimensions : Length - 8 3/8 inch, Width - 7 9/16 inch, Height - 1 3/16 inch. Easy to install; Instruction Included