On the second generation Lexus RX in the plant there was a coalbed filter, the third generation models installed paper. The charcoal filter is much better to purifying the air. The size of the filters of the second and third generation machines is not different, so it is possible to filter the coal filter from RX II. His order number is 87139-YZZ03. It is noteworthy that the original carbon filter is cheaper than the original paper.