18x36x1 Air Filter Choices - 18 x 36 x 1 Furnace Filters

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Other filter grades and styles may be available in this size as a CUSTOM filter.

18x36x1 Air Filters Available

Pre-Pleat 40 Air Filters: These 18"x36"x1" pleated filters are rated MERV 11 and will capture visible dust and allergens. These are heavy-duty, commercial-grade pleated filters with actual dimensions of 17-1/2" x 35-1/2" x 3/4". THIS FILTER IS MADE FROM TWO PIECES SECURELY TAPED TOGETHER. THIS FILTER IS MADE TO ORDER AND CANNOT BE RETURNED.

PrePleat 40 air filters are a commercial/industrial, heavy-duty air filter.
MERV 11
Specifications

Brand

Case Price

Filters/Case

Price/Filter

Stock

Order

Pre-Pleat 40

$192.00

$16.00

Yes

BUY

Pre-Pleat 40 Air Filters: These 18"x36"x1" pleated filters are rated MERV8 and will capture visible dust. These are heavy-duty, commercial-grade pleated filters with actual dimensions of 17-1/2" x 35-1/2" x 3/4". THIS FILTER IS MADE FROM TWO PIECES SECURELY TAPED TOGETHER. THIS FILTER IS MADE TO ORDER AND CANNOT BE RETURNED.

Basic Filtration with added protection from:

Pet Dander
Ragweed Pollen

Mold Spores
Dust Mite Debri

PrePleat 40 air filters are a commercial/industrial, heavy-duty air filter.
MERV 8
Specifications

Brand

Case Price

Filters/Case

Price/Filter

Stock

Order

Pre-Pleat 40

$148.80

$12.40

Yes

BUY

If you have questions about our 18 x 36 x 1 air filters, please contact us. If you are concerned that a 18x36x1 air filter will not fit your air conditioner, central air system, or furnace; please visit determining your air filter size. If you are looking for a different size furnace or air filter than 18 x 36 x 1; please choose a different size from the chart below.

Nominal Filter Size

08" x 16" x 1" Air Filter

08" x 30" x 1" Air Filter

10" x 10" x 1" Air Filter

10" x 20" x 1" Air Filter

10" x 20" x 2" Air Filter

10" x 24" x 1" Air Filter

10" x 25" x 1" Air Filter

10" x 30" x 1" Air Filter

12" x 12" x 1" Air Filter

12" x 16" x 1" Air Filter

12" x 20" x 1" Air Filter