Glasfloss Z-Line 18x24x1 MERV 10 ZL furnace filters excel where similar HVAC filters (Heating, Ventilation & Air Conditioning) fall short while also offering an eco-friendly design. The air filter frame is constructed of heavy-duty, moisture resistant beverage board incorporating post-consumer recycled materials making it very sturdy and easy to install and remove from your HVAC system. 100% synthetic fibers are used to construct the pleated air filter media and all of the components are thermally bonded together for high durability and extended reliability, making the Glasfloss Z-Line Series the preferred air filters for residential homes and commercial spaces.

• MERV 10 performance with the no more resistance than MERV 8
• Moisture Resistant, Heavy-Duty Construction
• Eco-Friendly Design with Post-Consumer Materials
• Easy to Install and Remove
• Exact Size: 17-1/2 x 23-1/2 x 7/8