Smart Thermostat

• 20x20x1 air filters for your furnace, air conditioner, heat pump, or HVAC system
• Actual size (exact dimensions): 19.50 x 19.50 x 0.75 inches (4-Pack)
• MERV 13 electrostatic media (MPR 1900, FPR 10) protects against 98% of particles
• Pleated design traps more airborne particles and lasts 3x longer than fiberglass
• All industrial-grade components are made in the USA and designed to be recycled

 Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.

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