Quad Ring 18" x 18-1/2" x 1/4" - Nitrile (70)

Marsoni

M251S

$239.88

Get it in 3 business days with 1 day shipping. Friday, May 29

Quad Ring 18" x 18-1/2" x 1/4" - Nitrile (70)Product Details : Quad Ring 18" x 18 1 2" x 1 4" Nitrile (70) Part No: 4 465 QN70 Product Category: O Rings Product Type: Quad Ring Series: 4 XXX Dash No.: 465 Material(s): Nitrile Material Code: NBR Durometer: 70 Temperature Range: 40F to +250F ( 40C to +121C) System Of Measurement: Inch Dimensions: 18" x 18 1 2" x 1 4" Fractional I. D. (d): 18" Fractional O. D. (D): 18 1 2" Fractional Cross Section (S): 1 4" Actual ID (IN): 17. 955" Actual Cross

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Reviewed in the United States on April 30, 2026

Verified Purchase

Lorraine M.

Massapequa, US

★★★★★ 5

Reliable furnace filters at a good price point!

Style: 16x18x1

Great filters. Hard to find sizes. Sturdy.

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Reviewed in the United States on May 21, 2026

Verified Purchase

Christopher

Boise, US

★★★★★ 5

Amazon very professional and reliable

Style: 14x30x1

I was very pleased with the Filterbuy 14 30 1 and it fit great and very pleased with Amazon .They are very professional

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Reviewed in the United States on May 13, 2026

Verified Purchase

Amazon Customer

Lexington, US

★★★★★ 5

Great buy

Style: 20x25x2

Great fit, quality, construction, and less expensive than buying them at a regular store.

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Reviewed in the United States on May 20, 2026

Verified Purchase

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Louisville, US

★★★★★ 5

Fantastic Filters!!

Style: 20x25x1

Great filters for my 5 ton unit- well made and designed for airflow and hold up! Very well! MUCH BETTER than Lowes or HD FILTERS Whistling stopped when I changed to the filters!!

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Reviewed in the United States on May 9, 2026