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12" x 20" x 1" (1)
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$50 to $60 (9)
$60 to $70 (17)
$90 to $100 (5)
$100 to $200 (21)

Nu-Calgon Replacement Filters

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Air Filters and MERV Ratings Explained
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Product Image of Air Cleaner Filter (use w/Aprilaire & Spacegard - 2200 & 2250)
$38.43 each
In Stock
Fast Track Logo
Get 17 by Fri, May 23
In Stock
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Get 17 by Fri, May 23
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Product Image of Air Cleaner Filter (use w/Aprilaire & Spacegard - 2400)
$39.50 each
In Stock
Fast Track Logo
Get 9 by Fri, May 23
In Stock
Fast Track Logo
Get 9 by Fri, May 23
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Product Image of PermaFilter 10" x 10" x 1"
PermaFilter 10" x 10" x 1"
SKU: 4940-01
Nu-Calgon
SKU: 4940-01
Brand: Nu-Calgon
(1)
$54.26 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 12" x 12" x 1"
PermaFilter 12" x 12" x 1"
SKU: 4940-02
Nu-Calgon
SKU: 4940-02
Brand: Nu-Calgon
(1)
$55.41 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 14" x 14" x 1"
PermaFilter 14" x 14" x 1"
SKU: 4940-03
Nu-Calgon
SKU: 4940-03
Brand: Nu-Calgon
(1)
$56.41 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 10" x 20" x 1"
PermaFilter 10" x 20" x 1"
SKU: 4940-04
Nu-Calgon
SKU: 4940-04
Brand: Nu-Calgon
(1)
$56.41 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 10" x 24" x 1"
PermaFilter 10" x 24" x 1"
SKU: 4940-05
Nu-Calgon
SKU: 4940-05
Brand: Nu-Calgon
(1)
$59.90 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 12" x 20" x 1"
PermaFilter 12" x 20" x 1"
SKU: 4940-06
Nu-Calgon
SKU: 4940-06
Brand: Nu-Calgon
(1)
$59.90 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 12" x 24" x 1"
PermaFilter 12" x 24" x 1"
SKU: 4940-09
Nu-Calgon
SKU: 4940-09
Brand: Nu-Calgon
(1)
$59.90 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 10" x 30" x 1"
PermaFilter 10" x 30" x 1"
SKU: 4940-10
Nu-Calgon
SKU: 4940-10
Brand: Nu-Calgon
(1)
$59.90 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 12" x 25" x 1"
PermaFilter 12" x 25" x 1"
SKU: 4940-11
Nu-Calgon
SKU: 4940-11
Brand: Nu-Calgon
(1)
$59.90 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 16" x 20" x 1"
PermaFilter 16" x 20" x 1"
SKU: 4940-12
Nu-Calgon
SKU: 4940-12
Brand: Nu-Calgon
(1)
$60.04 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 18" x 18" x 1"
PermaFilter 18" x 18" x 1"
SKU: 4940-13
Nu-Calgon
SKU: 4940-13
Brand: Nu-Calgon
(1)
$60.04 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 14" x 25" x 1"
PermaFilter 14" x 25" x 1"
SKU: 4940-15
Nu-Calgon
SKU: 4940-15
Brand: Nu-Calgon
(1)
$60.04 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 12" x 30" x 1"
PermaFilter 12" x 30" x 1"
SKU: 4940-16
Nu-Calgon
SKU: 4940-16
Brand: Nu-Calgon
(1)
$60.04 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 18" x 20" x 1"
PermaFilter 18" x 20" x 1"
SKU: 4940-17
Nu-Calgon
SKU: 4940-17
Brand: Nu-Calgon
(1)
$60.04 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 16" x 24" x 1"
PermaFilter 16" x 24" x 1"
SKU: 4940-18
Nu-Calgon
SKU: 4940-18
Brand: Nu-Calgon
(1)
$60.41 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 14" x 30" x 1"
PermaFilter 14" x 30" x 1"
SKU: 4940-21
Nu-Calgon
SKU: 4940-21
Brand: Nu-Calgon
(1)
$60.90 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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Product Image of PermaFilter 18" x 25" x 1"
PermaFilter 18" x 25" x 1"
SKU: 4940-23
Nu-Calgon
SKU: 4940-23
Brand: Nu-Calgon
(1)
$60.90 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 24" x 1"
PermaFilter 20" x 24" x 1"
SKU: 4940-24
Nu-Calgon
SKU: 4940-24
Brand: Nu-Calgon
(1)
$61.20 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 16" x 30" x 1"
PermaFilter 16" x 30" x 1"
SKU: 4940-25
Nu-Calgon
SKU: 4940-25
Brand: Nu-Calgon
(1)
$61.20 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 18" x 30" x 1"
PermaFilter 18" x 30" x 1"
SKU: 4940-27
Nu-Calgon
SKU: 4940-27
Brand: Nu-Calgon
(1)
$61.41 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 30" x 1"
PermaFilter 20" x 30" x 1"
SKU: 4940-28
Nu-Calgon
SKU: 4940-28
Brand: Nu-Calgon
(1)
$61.77 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 16" x 20" x 2"
PermaFilter 16" x 20" x 2"
SKU: 4940-29
Nu-Calgon
SKU: 4940-29
Brand: Nu-Calgon
(1)
$98.57 each
In Stock
Fast Track Logo
Get 1 by Fri, May 23
In Stock
Fast Track Logo
Get 1 by Fri, May 23
Compare
Product Image of PermaFilter 16" x 25" x 2"
PermaFilter 16" x 25" x 2"
SKU: 4940-30
Nu-Calgon
SKU: 4940-30
Brand: Nu-Calgon
(1)
$98.57 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 20" x 2"
PermaFilter 20" x 20" x 2"
SKU: 4940-31
Nu-Calgon
SKU: 4940-31
Brand: Nu-Calgon
(1)
$98.57 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 25" x 2"
PermaFilter 20" x 25" x 2"
SKU: 4940-32
Nu-Calgon
SKU: 4940-32
Brand: Nu-Calgon
(1)
$99.29 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 30" x 2"
PermaFilter 20" x 30" x 2"
SKU: 4940-33
Nu-Calgon
SKU: 4940-33
Brand: Nu-Calgon
(1)
$99.29 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 16" x 30" x 3"
PermaFilter 16" x 30" x 3"
SKU: 4940-34
Nu-Calgon
SKU: 4940-34
Brand: Nu-Calgon
(1)
$126.44 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 16" x 25" x 3"
PermaFilter 16" x 25" x 3"
SKU: 4940-35
Nu-Calgon
SKU: 4940-35
Brand: Nu-Calgon
(1)
$126.44 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 20" x 3"
PermaFilter 20" x 20" x 3"
SKU: 4940-36
Nu-Calgon
SKU: 4940-36
Brand: Nu-Calgon
(1)
$126.44 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 25" x 3"
PermaFilter 20" x 25" x 3"
SKU: 4940-37
Nu-Calgon
SKU: 4940-37
Brand: Nu-Calgon
(1)
$127.15 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 30" x 3"
PermaFilter 20" x 30" x 3"
SKU: 4940-38
Nu-Calgon
SKU: 4940-38
Brand: Nu-Calgon
(1)
$127.15 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 16" x 25" x 4"
PermaFilter 16" x 25" x 4"
SKU: 4940-40
Nu-Calgon
SKU: 4940-40
Brand: Nu-Calgon
(1)
$128.58 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 20" x 4"
PermaFilter 20" x 20" x 4"
SKU: 4940-41
Nu-Calgon
SKU: 4940-41
Brand: Nu-Calgon
(1)
$128.58 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 25" x 4"
PermaFilter 20" x 25" x 4"
SKU: 4940-42
Nu-Calgon
SKU: 4940-42
Brand: Nu-Calgon
(1)
$129.29 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 30" x 4"
PermaFilter 20" x 30" x 4"
SKU: 4940-43
Nu-Calgon
SKU: 4940-43
Brand: Nu-Calgon
(1)
$129.29 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 16" x 20" x 5"
PermaFilter 16" x 20" x 5"
SKU: 4940-44
Nu-Calgon
SKU: 4940-44
Brand: Nu-Calgon
(1)
$130.01 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 16" x 25" x 5"
PermaFilter 16" x 25" x 5"
SKU: 4940-45
Nu-Calgon
SKU: 4940-45
Brand: Nu-Calgon
(1)
$130.01 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 20" x 5"
PermaFilter 20" x 20" x 5"
SKU: 4940-46
Nu-Calgon
SKU: 4940-46
Brand: Nu-Calgon
(1)
$130.01 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 25" x 5"
PermaFilter 20" x 25" x 5"
SKU: 4940-47
Nu-Calgon
SKU: 4940-47
Brand: Nu-Calgon
(1)
$130.72 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 30" x 5"
PermaFilter 20" x 30" x 5"
SKU: 4940-48
Nu-Calgon
SKU: 4940-48
Brand: Nu-Calgon
(1)
$130.72 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 24" x 25" x 5"
PermaFilter 24" x 25" x 5"
SKU: 4940-49
Nu-Calgon
SKU: 4940-49
Brand: Nu-Calgon
(1)
$130.72 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 16" x 20" x 6"
PermaFilter 16" x 20" x 6"
SKU: 4940-50
Nu-Calgon
SKU: 4940-50
Brand: Nu-Calgon
(1)
$131.44 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 16" x 25" x 6"
PermaFilter 16" x 25" x 6"
SKU: 4940-51
Nu-Calgon
SKU: 4940-51
Brand: Nu-Calgon
(1)
$131.44 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 20" x 6"
PermaFilter 20" x 20" x 6"
SKU: 4940-52
Nu-Calgon
SKU: 4940-52
Brand: Nu-Calgon
(1)
$131.44 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 16" x 27" x 6"
PermaFilter 16" x 27" x 6"
SKU: 4940-53
Nu-Calgon
SKU: 4940-53
Brand: Nu-Calgon
(1)
$131.44 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Compare
Product Image of PermaFilter 20" x 25" x 6"
PermaFilter 20" x 25" x 6"
SKU: 4940-54
Nu-Calgon
SKU: 4940-54
Brand: Nu-Calgon
(1)
$132.15 each
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
Backorder
Get it by Mon, Jun 23 - Tue, Jul 22
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10" x 10" x 1" (1)
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10" x 30" x 1" (1)
12" x 12" x 1" (1)
12" x 20" x 1" (1)
12" x 24" x 1" (1)
12" x 25" x 1" (1)
12" x 30" x 1" (1)
14" x 14" x 1" (1)
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Review Score

(52)
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$35 to $40 (2)
$50 to $60 (9)
$60 to $70 (17)
$90 to $100 (5)
$100 to $200 (21)
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