Please read the following filters descriptions below
Research Products Model No. 2600 (Part #261)
- Original accordion type design.
- Space Gard is also known as Aprilaire Furnace Filters.
- Reaches 99% efficiency on particles 5 microns or larger.
- Improves efficiency and increases longevity of HVAC systems when properly used and maintained.
- High efficiency filter media collects small dust particles before they can collect on your coils.
- Improves air quality in the home!
- This product is listed and rated by Underwriters Laboratories as U.L. Class 2.
- Lasts up to six months.