Original Systemair VSR 500 Filters:
- Air Pleated filter.
- We recommend changing filters at least twice a year, preferably in the fall, after the pollen season and before summer. In areas with a lot of dust and pollution, they should be changed more often, spring and autumn.
- Filters Authorised and Manufactured by Systemair.
- Long life filters.
- Perfectly fits for Systemair VSR 500 Air Unit.