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GeneralAire and Compatible Air Filters by SpiroPure

All Filters offers a wide selection of GeneralAire air filters and SpiroPure compatible alternatives for GeneralAire whole-house air cleaner cabinets and compatible HVAC systems. GeneralAire filter media is available in multiple standard sizes, and SpiroPure produces compatible replacements to fit the same cabinet footprints. Select your filter size to view OEM GeneralAire and SpiroPure options together, making it easy to choose based on price, MERV rating, and replacement interval.

GeneralAire Whole House HVAC / AC / Air Conditioner Filters
General Aire

OEM Brand

OEM Part Number

Nominal Size

Filter Options

General Aire

4350

16x20x5

 SELECT

4361 / FP1620HW

16x20x5

 SELECT

4365 / GA100A03

16x20x5

 SELECT

14164

16x25x3

 SELECT

4521 / 3FM1625

16x25x3

 SELECT

4571 / F1018

16x25x4

 SELECT

4572 / F1021

16x25x4

 SELECT

14161

16x25x5

 SELECT

4352

16x25x5

 SELECT

4366 / GA100A29

16x25x5

 SELECT

4511 / 5FM1625

16x25x5

 SELECT

4541 / 6FM1625

16x25x5

 SELECT

4362 / FP1625HW

16x25x5

 SELECT

13156 / 401-13156 / 4051

16x27x6

 SELECT

4123 / GA104

16x28x4

 SELECT

4354

20x20x5

 SELECT

4367 / GA100A11

20x20x5

 SELECT

4363 / FP2020HW

20x20x5

 SELECT

4528 / FP2020X5

20x20x5

 SELECT

4531 / 5FM2020

20x20x5

 SELECT

4556 / 6FM2020

20x20x5

 SELECT

12758 / 4001

20x24x5

 SELECT

4122 / GA102

20x25x4

 SELECT

4561 / F1016

20x25x4

 SELECT

4562 / F1020

20x25x4

 SELECT

4356

20x25x5

 SELECT

GA100A37 / 4368

20x25x5

 SELECT

14201

20x25x5

 SELECT

4501 / 5FM2025

20x25x5

 SELECT

4551 / 6FM2025

20x25x5

 SELECT

4050 / 12880 / 201-12880

20x25x6

 SELECT

4401 / 13415

20x25x6

 SELECT

SpiroPure Compatible Filters for GeneralAire Cabinets

SpiroPure compatible filters for GeneralAire systems are matched by nominal dimensions to the common GeneralAire cabinet sizes, including expandable-compatible formats where applicable. SpiroPure filters are typically priced lower than OEM GeneralAire media, making regular replacement more affordable for homeowners on a consistent maintenance schedule. Our customer support team is available seven days a week to help confirm sizing if you're unsure which SpiroPure option matches your GeneralAire cabinet.

FAQs on SpiroPure Air Filters for GeneralAire

Are SpiroPure filters compatible with GeneralAire air cleaner cabinets?

Yes. SpiroPure produces compatible replacement filters for common GeneralAire cabinet sizes. Filters are dimensionally matched to ensure proper fit and consistent airflow through the media.
SpiroPure compatible filters use pleated media construction designed to meet the same MERV rating standards as OEM GeneralAire media. The primary distinction is cost — SpiroPure filters are typically priced lower, making them a practical choice for homeowners replacing on a regular schedule. Genuine GeneralAire OEM filters are also stocked at All Filters for those who prefer the original.
GeneralAire cabinets are generally designed for MERV 11 media. MERV 11 provides effective capture of pollen, dust, pet dander, and other common allergens and is a strong choice for most households. Verify your cabinet documentation before installing higher-rated media, as increased restriction can reduce airflow in systems not designed for it.
Most GeneralAire deep-media filter replacements, including SpiroPure compatible options, should be replaced every 6 to 12 months under normal residential conditions. Households with pets, high allergy sensitivity, or heavy system use should replace closer to the 6-month mark.
Yes. SpiroPure filters are available in multi-packs with free shipping to ensure you always have your next filter on hand. All Filters also offers email replacement reminders. Free shipping applies to orders over $99.

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