Hello guys, I just wanted to share about new type of pollen filters from MANN company. First these filters begin to show in BMW's (with silver particles), then MANN decided to add into Accords too Here is comparison from left to right: yellow with polifenol and carbon, from MANN, stock with carbon from JC premium, and used with carbon from JC premium also. Here is direct comparison between materials, almost the same while other side, (left - stock with carbon/JC premium, right - mann yellow filter), mann filter is much softer, like a wool, i think this is for catching more particles and dirt You can see more photos of exact part number if you want. Basically filters with polyfenol guarantee you to breathe more cleaner air than with carbon, or worse - without it. In my humble opinion with this yellow filter i cannot smell any odours or any of it, maybe its just placebo effect. But it is noticible It is more expensive than others, but not so much. MANN-FILTER with polyfenol and carbon - 15euros MANN-FILTER with carbon - 12euros MANN-FILTER stock - 10euros p.s. JC premium filter with carbon - 4euros.