Glasfloss ZL 24x24x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 23-3/8 x 23-3/8 x 3-3/4
- Glasfloss 18x24x1 furnace air filter or furnace air filter of MERV 10 rating offer better performance than MERV 8 with same or lower price. Removes dust particles between 1 to 10 microns sizes..
- ASHRAE 52.2 Std MERV 10 Rating approved. ASHRAE highly recommends minimum MERV 10 rating to be used at homes, offices, and hospitals.
- Applications: The Glasfloss Z-Line MERV 10 are excellent choice for Residential, Commercial Buildings, Hospitals, School/Universities, Clean Rooms, and Industrial application for pre-filter use..
- Glasfloss dedicated services since 1936 to millions of satisfied customers. A reliable and good quality product from trustworthy company.