18x20x1 Air Filter

Enhance your indoor air quality with our reliable 18x20x1 air filters designed for optimal performance

Product List

Filterbuy 18x20x1 MERV 8 Air Filter, 1-Pack

18x20x1 MERV 8 Filter

Filterbuy

Product Review Score

4.14 out of 5 stars

165 reviews

$25.31

AIRX Dust MERV 8 Pleated Air Filters, 6-Pack

AIRX MERV 8 Pleated Filters

Airx Filters

Product Review Score

4.86 out of 5 stars

9 reviews

$57.08

Flanders 18x20x1 Pleat Air Filter 12-Pack

Flanders 18x20x1 Air Filters 12-Pack

Flanders

Product Review Score

4.33 out of 5 stars

189 reviews

$111.28 $90.72

18x20x1 MERV 8 Air Filter (12-Pack)

MERV 8 Air Filters 12-Pack

Filterbuy

Product Review Score

4.75 out of 5 stars

80 reviews

$107.88

Nordic Pure MERV 12 Pleated Air Filters 6-Pack

Nordic Pure MERV 12 Filters 6-Pack

Nordic Pure

Product Review Score

4.86 out of 5 stars

206 reviews

$56.83

Filtrete 18x20x1 MERV 11 Air Filters, 6 Pack

Filtrete 18x20x1 MERV 11 Filters

Filtrete

Product Review Score

4.16 out of 5 stars

29 reviews

$88.00

SendBliss MERV 10 Pleated Air Filters (2-Pack)

SendBliss MERV 10 Filters (2-Pack)

Product Review Score

4.19 out of 5 stars

155 reviews

$23.99

18x20x1 MERV 11 Pleated Air Filter

18x20x1 MERV 11 Air Filter

Filterbuy

Product Review Score

4.64 out of 5 stars

188 reviews

$28.49

K&N Washable HVAC Air Filter 18x20x1 MERV 8

K&N Washable HVAC Filter 18x20x1

Product Review Score

4.76 out of 5 stars

149 reviews

$61.36

Protect Plus 18" x 20" Fiberglass Air Filters

18" x 20" Fiberglass Filters

Product Review Score

4.85 out of 5 stars

69 reviews

$47.57

MERV 8 Pleated Air Filters 18x20x1 (2-Pack)

MERV 8 Air Filters 18x20 (2-Pack)

Product Review Score

4.74 out of 5 stars

112 reviews

$22.99

Chenzhit 6-Pack MERV 13 Air Filters, 18x20"x1

Chenzhit 6-Pack Air Filters

Product Review Score

4.72 out of 5 stars

174 reviews

$43.99 $39.59