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

Filtrete 21.5x23.5x1 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 21.19 x 23.19 x 0.81 in)

DealMapped found a used-like-new / resale deal on Filtrete 21.5x23.5x1 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 21.19 x 23.19 x 0.81 in). The current observed price is $11.11, compared with a reference price of $43.69, for an estimated savings of $32.58 or 74% off.

• Condition: Used Like New
• Seller: Marketplace resale offer
• Current observed price: $11.11
• Reference price: $43.69
• Discount percentage: 74% off
• Category: Clothing, Shoes & Jewelry
• Last seen: June 11, 2026