Wall Fitting, Retro 4" dia, 1-7/8"hs, 1-1/2" insider, Black

Marsoni

M251S

$23.10

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

Wall Fitting, Retro 4" dia, 1-7/8"hs, 1-1/2" insider, BlackThis is a 415SI102 Wall Fitting Retro in black, featuring a 4" diameter and a 1 1 2" inner diameter. Ideal for pool and spa applications.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Fits just right. The paper filter material seems to be the same quality as the brand name filter I took out with the only percievable difference is price and packaging. One nice thing here is that once taken out of the box, the filter is wrapped in light weight plastic so you don't get the new filter dirty when taking out the old one. Just unwrap it prior to installation for a clean install. Hope this helps.

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Reviewed in the United States on April 22, 2024

Sean D.

Pawtucket, US

★★★★★ 5

Same Quality, Cheaper Price!

Fits exactly as it should (2018 Acura RDX) and performs as well as any other brand I've used over the years. Construction and material quality appear as good as (or better) than any other off-the-shelf brand. I have no qualms about using this brand in the future and saving money doing so, compared to other brands.

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Reviewed in the United States on June 13, 2024

SKS

Charlottesville, US

★★★★★ 5

Worked in RDX 2nd gen

It fit perfect in RDX 2nd gen. The filter built quality looks pretty much like OEM or better. I do not see any performance issue. Price was reasonable. Its a good buy.

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Reviewed in the United States on April 13, 2024

Verified Purchase

Yianni Tripodis

Boise, US

★★★★★ 5

Price/Quality

Packaged very well, perfect fit and the quality looks great. Well worth the price.

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Reviewed in the United States on April 11, 2026

Verified Purchase

Roscoe and Tori

Lake Worth, US

★★★★★ 5

DIY!!

Bought this cabin air filter for my 2015 Honda CR-V and it fit perfectly. Installation was super easy and only took a few minutes. I immediately noticed the air coming through the vents smelled cleaner. No need to have it replaced for you. Definitely worth it if you want an affordable replacement that gets the job done.

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Reviewed in the United States on May 19, 2026