MadMax Trade Supply
Prices include the sales tax we pay at purchase (shown for Minnesota; your cart updates it for your ship-to state) and, where noted, shipping. No separate tax line. Order online; we email a secure payment link before anything ships.

Home › HVAC Air Filters

Representative image: pleated 1-inch HVAC air filterRepresentative image — tap to enlarge

3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 20x25x1 (4-Pack)

Temporarily unavailable

Request a quote

SKUMM-AF-C92A26
BrandFiltrete
Manufacturer part no.FILTRETE-MICRO-20x25x1-4PK
Nominal size20x25x1 in.
MERV11
Pack4
Price checked2026-11-14

Sold by MadMax Trade Supply (reseller). Typical delivery is a few business days in the contiguous United States. Terms, shipping & returns.

Buying help: How to choose an HVAC air filter MERV rating