Open-Box & Used-Like-New Deals 30%+ Off

Filtrete 20x21.5x1 AC Furnace Air Filter, MERV 8, MPR 700, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 19.69 x 21.19 x 0.81 in)

DealMapped found a used-like-new / resale deal on Filtrete 20x21.5x1 AC Furnace Air Filter, MERV 8, MPR 700, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 19.69 x 21.19 x 0.81 in). The current observed price is $19.02, compared with a reference price of $37.89, for an estimated savings of $18.87 or 49% off.

• Condition: Used Like New
• Seller: Marketplace resale offer
• Current observed price: $19.02
• Reference price: $37.89
• Discount percentage: 49% off
• Category: Clothing, Shoes & Jewelry
• Last seen: June 14, 2026