Filtra-Systems' Ultra-Pak XR extended life pocket filter is constructed using a high-grade synthetic hybrid meltblown & spunbond polypropylene media sonic-welded into pockets. Pockets are permanently attached to a rugged galvanized steel frame for reliable performance.
- MERV 15
- Lasts up to 4 times longer than standard MERV 15 HVAC pocket filters
- Extremely low resistance to airflow and high dust holding capacity
- Used in Stealth Air Cleaner series
- 100% Made in the USA