Havelock Wool Air Filter Size:20x20x1 We recommend replacing your air

We recommend replacing your air filters every three months

natural solution for hard-to-reach areas

and ceilings

Made from natural wool

This is also our utility insulation

Havelock Wool Air Filter Size:20x20x1 We recommend replacing your airEmploying Natures R&D Department to improve Your Indoor Air Quality. While most HVAC filters use fiberglass or synthetic materials, our approach takes a more natural path to cleaner air. The Havelock Wool Air Filter powered by EcoStatic combines industry leading particulate filtration with the unique chemical ability of wool to absorb toxins and buffer moisture. MERV 11 at MERV 8 resistance. MERV 13 at MERV 11 resistance. Captures Dust & Pollen: High