Welcome to Brookaire – formerly FurnaceFilterWarehouse.com

Fast. Accurate. Trusted for 46 years!

✆  973-473-7527

  • Request a Quote
  • Quick Order
  • Login
  • Register
0
Your cart is empty
  • Home
  • Shop Commercial
      • Air Filters
        • Merv 4, Polyester Air Filter
        • Merv 8, Pleated Air Filter
        • Merv 8, High Capacity Pleated Air Filter
        • Merv 11, Pleated Air Filter
        • Merv 13, Pleated Air Filter
        • Merv 8, 3 Ply Ring Panel
        • Carbon Pleated Air Filter
        • Single Header Box Filter
        • Pocket Polyester Bag Filter
        • ASHRAE Cell Filter
        • HEPA SC Filter
      • V-Belts
        • 3L V-Belt
        • 3VX V-Belt
        • 5VX V-Belt
        • A/4L V-Belt
        • AX V-Belt
        • B/5L V-Belt
        • BX V-Belt
        • C/CX V-Belt
      • Chemicals & Cleaners
        • Glycols
        • Coil Cleaners
        • Specialty Cleaning Products
        • Total System Protection
        • Indoor Air Quality
      • Motors & Accessories
        • Motors
        • Titan Capacitors
        • Pulleys
        • Titan Max Contactors
  • COVID 19 Products
  • Shop Residential
      • Brands
        • Amana
        • Aprilaire
        • Carrier
        • Cimatec AirScreen
        • GeneralAire
        • Glasfloss
        • Goodman
        • Honeywell
        • Lennox
        • Nordyne
        • Sanyo
        • Skuttle
        • Trane - American Standard
        • Trion Air Bear
        • Totaline
        • Ultravation
        • White Rodgers
      • Humidifier Pads
        • Aprilaire Humidifier Pads/Filters/Panels
        • GeneralAire Humidifier Pads/Filters/Panels
        • Trion Humidifier Pads/Filters/Panels
        • Carrier Humidifier Pads/Filters/Panels
        • Skuttle Humidifier Pads/Filters/Panels
        • Honeywell Humidifier Pads/Filters/Panels
        • Lennox Humidifier Pads/Filters/Panels
      • Air Filters by Size
        • 1" Filters
        • 2" Filters
        • 4" Filters
        • 5" Filters
        • 6" Filters
      • Water Filters
        • Refrigerator / In-line Water Filters
      • Geothermal Filters
        • Geothermal by Size
        • Geothermal by Manufacturer
      • Ultra-Violet Air Purifiers
        • Ultra-Violet Air Purifier Replacement Bulbs and Parts
  • Services
      • Job Site Delivery
      • Delivery Areas
      • Job Tagging
      • Air Filter Disposal
      • Custom Sized
  • About Us
  • Contact Us
  • Catalog
  • Blog
  • Home
  • Shop Residential
  • Air Filters by Size
  • 4" Filters
Back

Air Filters by Size

  • 1" Filters
  • 2" Filters
  • 5" Filters
  • 6" Filters

4" Filters

12x24x4 Air FIlters
16x20x4 Air Filters
16x24x4 Air Filters
16x25x4 Air Filters
18x24x4 Air Filters
20x20x4 Air Filters
20x24x4 Air Filters
20x25x4 Air Filters
24x24x4 Air Filters
30x32x4 Air Filters
28x30x4 Air Filters
24x27.5x4 Air Filters
Back to Top
© 2020 Brookaire Company
Newsletter Sign Up
  • Follow us on

  • Quick Links

  • Shop Now
  • About Us
  • Catalog
  • Shipping Information
  • Terms & Conditions
  • Privacy Policy
  • Contact Us

  • Product Categories

  • Air Filters
  • Chemicals
  • Motors & Accessories
  • Site Amenities & Janitorial
  • V-Belts

  • My Account

  • My Account
  • Checkout

  • Contact Information

  • ✆ (973) 473 7527
  • ✉ sales@brookaire.com
  • Monday to Friday, 6:00am - 5:00pm
  • 329 Veterans Blvd, Carlstadt, NJ 07072, United States of America