From discount :    AP2 is compatible with all lasers: P2S, P2, S1, M1 Ultra, F1 ultra, D1, D1 Pro, M1 and F1. However, the automatic mode is only compatible with the P2S, S1, M1 Ultra and F1 Ultra. The cleaning performance is the same in both manual and automatic mode. The Cyclone filter is reusable and can be cleaned instead of being replaced. Each filter has a different service life and offers a usage of up to 100 to 600 hours. The ultra-density carbon mesh and the activated carbon filter efficiently absorb harmful gases and odors and provide fresh and healthy air indoors.   still packed, as good as new goods    The pricing was done according to Internet search