Filterbuy Replacement Air Filters Compatible with Aprilaire® / Space Gard®

Filterbuy replacement air filters offer the same high quality materials and performance as the name brand but at a fraction of the cost.

  • Available in MERV 8, 11, and 13
  • Free shipping
  • Guaranteed to fit
  • Lowest prices
  • Made in the U.S.A.
  • Family owned and operated

Customer Review

"Absolutely the best and most efficient way to purchase furnace filters! No problem finding the filter I needed, filters delivered within a couple of days, fit perfectly and shipping is FREE! What's not to like?"-Christine P.
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16 x 28 x 6 MERV 8 16 x 28 x 6 MERV 11 16 x 28 x 6 MERV 13

Actual: 15.28 x 26.94 x 6"

Designed to Fit:
Spacegard 2400 #401

Select MERV Rating
MERV
8
Standard
MERV
11
Superior
MERV
13
Optimal

MERV 8 - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke

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20 x 25 1/4 x 3 1/2 MERV 8 20 x 25 1/4 x 3 1/2 MERV 11 20 x 25 1/4 x 3 1/2 MERV 13

Actual: 20 x 25.25 x 3.5"

Designed to Fit:
Spacegard 2120 #102

Select MERV Rating
MERV
8
Standard
MERV
11
Superior
MERV
13
Optimal

MERV 8 - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke

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15 3/4 x 27 5/8 x 3 1/2 MERV 8 15 3/4 x 27 5/8 x 3 1/2 MERV 11 15 3/4 x 27 5/8 x 3 1/2 MERV 13

Actual: 15.75 x 27.63 x 3.75"

Designed to Fit:
Spacegard 2140 #104

Select MERV Rating
MERV
8
Standard
MERV
11
Superior
MERV
13
Optimal

MERV 8 - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke

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20 x 25 x 6 MERV 8 20 x 25 x 6 MERV 11 20 x 25 x 6 MERV 13

Actual: 19.75 x 24.25 x 6.38"

Designed to Fit:
Spacegard 2200 #201

Select MERV Rating
MERV
8
Standard
MERV
11
Superior
MERV
13
Optimal

MERV 8 - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke

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