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Expandable Filters Upgrade Kits

Aprilaire Air Conditioning Filters & More

Here at Filter Shipping, we carry a full line of OEM Aprilaire filters for your air conditioner, furnace and air cleaner needs, and we offer many discontinued, hard-to-find filters. Effectively improve the air quality within your home with products specifically designed to reduce known allergens and irritants. Our Aprilaire filters are adjustable and expand lengthwise in order to fit snuggly into any space, eliminating the cost of special-order filters that are difficult to find.

Aprilaire products prevent problems associated with dry air and common irritants, such as itchy skin, painful sinuses and the spread of cold and flu viruses. Protect your family year-round with these long-lasting cleaner, furnace and AC filters for your home.

If you're not sure where to begin, contact us for additional information. We're happy to assist you in finding the perfect filter for your needs.

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Aprilaire 1213 Expandable Upgrade Kit Aprilaire 1413 Expandable Upgrade Kit Aprilaire 201 Expandable Filter
Aprilaire 1213
Upgrade Kit
Nominal Expanded Size: 20" x 25" x 4"
Exact Collapsed Size: 26" x 4"
Filter Rating: MERV 13
Expected Duration: 6 to 12 months
Allergen Grade: Advanced
Aprilaire 1413
Upgrade Kit
Nominal Expanded Size: 16" x 27" x 4"
Exact Collapsed Size: 28" x 4"
Filter Rating: MERV 13
Expected Duration: 6 to 12 months
Allergen Grade: Advanced
Aprilaire 201
Expandable Filter

Nominal Expanded Size: 20" x 25" x 6"
Exact Collapsed Size: 3" x 24.5" x 6.125"
Filter Rating: MERV 10
Expected Duration: 6 to 12 months

Aprilaire 210 Expandable Filter Aprilaire 210 Expandable Filter (2 Pack) Aprilaire 213 Expandable Filter
Aprilaire 210
Expandable Filter
Nominal Expanded Size: 20" x 25" x 4"
Exact Collapsed Size: 26" x 4"
Filter Rating: MERV 11
Expected Duration: 6 to 12 months
Allergen Grade: Basic
Aprilaire 210
Expandable Filter (2 PACK)
Nominal Expanded Size: 20" x 25" x 4"
Exact Collapsed Size: 26" x 4"
Filter Rating: MERV 11
Expected Duration: 6 to 12 months
Allergen Grade: Basic
Aprilaire 213
Expandable Filter
Nominal Expanded Size: 20" x 25" x 4"
Exact Collapsed Size: 26" x 4"
Filter Rating: MERV 13
Expected Duration: 6 to 12 months
Allergen Grade: Advanced
Aprilaire 213 Expandable Filter Aprilaire 310 Expandable Filter Aprilaire 313 Expandable Filter
Aprilaire 213
Expandable Filter (2 Pack)
Nominal Expanded Size: 20" x 25" x 4"
Exact Collapsed Size: 26" x 4"
Filter Rating: MERV 13
Expected Duration: 6 to 12 months
Allergen Grade: Advanced
Aprilaire 310
Expandable Filter
Nominal Expanded Size: 19" x 20" x 4"
Exact Collapsed Size: 20" x 4"
Filter Rating: MERV 11
Expected Duration: 6 to 12 months
Allergen Grade: Basic
Aprilaire 313
Expandable Filter
Nominal Expanded Size: 19" x 20" x 4"
Exact Collapsed Size: 20" x 4"
Filter Rating: MERV 13
Expected Duration: 6 to 12 months
Allergen Grade: Basic
Aprilaire 401 Expandable Filter Aprilaire 410 Expandable Filter Aprilaire 413 Expandable Filter
Aprilaire 401
Expandable Filter

Nominal Expanded Size: 16" x 27" x 6"
Exact Collapsed Size: 3" x 26.5" x 6.125"
Filter Rating: MERV 10
Expected Duration: 6 to 12 months

Aprilaire 410
Expandable FilterNominal Expanded Size: 16" x 27" x 6"
Exact Collapsed Size: 27.125x6
Filter Rating: MERV 11
Expected Duration: 6 to 12 months
Allergen Grade: Advanced
Aprilaire 413
Expandable Filter
Nominal Expanded Size: 16" x 27" x 4"
Exact Collapsed Size: 28" x 4"
Filter Rating: MERV 13
Expected Duration: 6 to 12 months
Allergen Grade: Advanced
Aprilaire 501 Expandable Filter Aprilaire 610 Expandable Filter
Aprilaire 4510 Replacement Filter
List Price: $38.50
Our Price: $38.50
Aprilaire 4510 Filter
Merv 8 with Foam Core and Aluminum Frame
Aprilaire 501
Expandable Filter

Exact Collapsed Size: 27.125" x 6"
Filter Rating: MERV 10
Expected Duration: 6 to 12 months

Aprilaire 610
Expandable Filter
Nominal Expanded Size: 16"" x 25"" x 4""
Exact Collapsed Size: 26"" x 4.25""
Filter Rating: MERV 11
Expected Duration: 6 to 12 months
Allergen Grade: Basic
Aprilaire 613 Expandable Filter Aprilaire 810 Expandable Filter Aprilaire 813 Expandable Filter
Aprilaire 613
Expandable Filter
Nominal Expanded Size: 16"" x 25"" x 4""
Exact Collapsed Size: 26"" x 4.25""
Filter Rating: MERV 13
Expected Duration: 6 to 12 months
Allergen Grade: Basic
Aprilaire 810
Expandable Filter
Nominal Expanded Size: 20"" x 25"" x 4""
Exact Collapsed Size: 26"" x 4.25""
Filter Rating: MERV 11
Expected Duration: 6 to 12 months
Allergen Grade: Basic
Aprilaire 813
Expandable Filter
Nominal Expanded Size: 20"" x 25"" x 4""
Exact Collapsed Size: 26"" x 4.25""
Filter Rating: MERV 13
Expected Duration: 6 to 12 months
Allergen Grade: Basic
Best Air 401 Merv 11 Best Air SGM-PR Merv 11
Best Air 401 Filter
Our Price: $25.75
Best Air 401 Expandable Filter
Merv 11
Best Air SGM-PR Expandable Filter
Merv 11