Your browser is not supported. For the best experience, you should upgrade to a modern browser with improved speed and security.
Click here for information on branch procedures as a result of COVID-19

GENERALAire - 4001 Replacement Media MERV 11 for AC1/AC22/AC3 Air Cleaners

Item: 12758
MFR: 4001

Store Inventory

Sign in to see real-time inventory at the stores closest to you.
What’s the price?
Sign in for pricing.

Frequently Bought Together

Best Sellers

About This Product

Product Info


GENERALAire - MERV 11 Refplacement Filters

Fits: GeneralAire® AC1, AC22.
  • Fits: Bryant 902BX; Carrier 31MF020, 31MF120; Source 1 S1-MAC11202506, S1-FM11202506.
  • Micro Fiber.
  • Expandable


Weight1.7 Pounds (lbs)
Width6.25 Inches (In)
Height19.25 Inches (In)
Country of OriginUSA
Length25.25 Inches (In)
Filter Efficiency97%
Filter Rating (Microns)1.0 TO 3.0
Final Resistance2000
For Use WithAC1, AC22, AC3, CARRIER 31MF, BRYANT 902BX
Frame TypePlastic
Initial Resistance2000
Maximum Air Flow2000 CFM
Media TypeMicro Fiber Expandable
MERV Rating11
Prop 65No
StandardsASHRAE 52.2
Warranty OfferedYes

Equipment Part List

Delivery and Shipping