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12x18x1 Air Filters

Browse our selection of personally curated 12x18x1 furnace and A/C filters.

Glasfloss, 12x18x1, Disposable, Replacement Air Filters. Great for Economical Air Filtration.

Glasfloss GDS 12x18x1

Size: 12x18x1

MERV: 5

Case: 6 / 12

$31.10 – $58.60

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Nordic Pure, 12x18x1, pleated, MERV 8, air filter.

Nordic Pure 12x18x1

Size: 12x18x1

MERV: 8

Case: 6 / 12 / 24

$76.99 – $215.99

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Standard Filter Pads - Poly Fiber Replacement Media Pads

Standard Filter Pads – Case of (6)

Size: Multiple Sizes Available

MERV: 6 or 8

Case: 6

$15.60 – $124.80

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Standard Metal Filter Frames w/ Orange Media Pads

Standard Metal Filter Frame w/ 6 Pads

Size: Multiple Sizes Available

MERV: 6 or 8

Case: 6

$49.95 – $186.65

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