Hi I am not sure if a pollen filter is located behind the glove box I am yet to find that out but, my Micra K11, 1994 has an A/C and the AC filter is located underneath the windshield, below the plastic trim where the windshield wipers are located its hard to get to but its there just in front of the passenger, from the middle of the car to the left. Its very had to find this filter its been 1 year and I still have not been able to find it. Its accessible from the outside from the engine bay.