Hello to you who asks for a review
I do not possde these filters but I just tell you that these are wonderful! you do what you want with, especially trs simple to use, they are lockable ennormment of possibilities and quality of its irrprochable Anyway bss it's the only flaw that does is not really that there is no switch or front or the rear avt.
trs good quality but the price hurts, it's his only flaw rel!