Filtrete Air Filter 1" MPR 700 MERV 8, 8-Pack
Costco has Filtrete 1" MPR 700 MERV 8 Air Filter, 8-pack (select sizes) on sale for $45.99, down from $55.99 with a $10 manufacturer's savings valid 9/21/26 through 10/18/26. Shipping and handling are included.
By Plumzoo · Posted . Price confirmed at Costco on October 1.
- 700 MPR / MERV 8 rating with Filtrete's 3-in-1 Technology
- Traps lint, pollen, dust and pet dander better than fiberglass or washable filters
- Available in nine common sizes from 14x20x1 up to 20x30x1
- Limit 10 packs per Costco member while the savings lasts
A solid mid-tier filter pick for anyone on a 60-90 day replacement schedule — MERV 8 won't catch the finest particles but it's a fair trade-off for airflow and price. The $10 markdown is a manufacturer's discount good only through 10/18/26, and it's capped at 10 packs per member, so stock up if your HVAC size is in the list.
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