EZ Flow 18x24x1-In. Spun Fiberglass Air Filter, 30 Days
18" x 24" x 1", EZ Flow Spun Fiberglass Disposable Furnace Filter, Flat Panel, Metal Retainer On Air Exit Side, Only Up To MERV Rating 4, 30 Day Filter, Effective Against Dust/Lint.
- Lasts up to 30 days
- UL Class II
- Protects heating and air conditioning equipment
- Sturdy chipboard frame and metal retainer contributes to filter strength