K&N Air Filter Foam Insert Block DSL Only (E-0644)

K&N Air Filter Foam Insert Block DSL Only (E-0644)

Marsoni

M251S

$31.99

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

K&N Air Filter Foam Insert Block DSL Only (E-0644)SKU: 85 2003 UPC: 024844370419 K&N Air Filter Foam Insert Block 85 2003 DSL Only 2017 2019 Ford F 250 F 350 Super Duty K&N 85 2003 is a pre cut foam insert that replaces the OEM foam block in the air filter housing for Diesel models only. Designed for 2017 2019 Ford F 250 and F 350 Super Duty trucks with 6. 7L Power Stroke V8 Diesel engines. Delivers washable reusable filtration to protect the engine while allowing strong airflow for power output. Key

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If you need more fiber in your diet, you need this. The price is right, it works very well and keeps me regular. I use this instead of the gummies or capsules. That's because you MUST put in in fluid, and hydration is SO important when using a psyllium product as it causes water to be absorbed very quickly once it is ingested, and you don't want to dehydrate! Mixes very well in water and has little to no taste whatsoever. Stay regular, stay hydrated and stay well.

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Reviewed in the United States on April 14, 2026

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Robert

Bozeman, US

★★★★★ 4

Works well, but is now too expensive...

Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)

The "No added sweeteners" has been my go-to version of Metamucil, but I'm giving it 4 stars and moving on to another brand as the price is over $35 which is too much imo...

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Reviewed in the United States on October 15, 2025

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S. E. Seater

Waukegan, US

★★★★★ 5

I like the mildly tart taste of this unflavored, unsweetened drink made up with water.

Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)

I like the mildly tart taste of this unflavored, unsweetened drink made up with water. The texture doesn't bother me, with stirring right from the beginning of adding the water, there is no clumping. After 10 days there is no effect on my bowels which were regular previously anyway. My doctor wanted me to use this although I already have a high fiber diet.

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Reviewed in the United States on April 25, 2026

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Lowell, US

★★★★★ 1

Definitely Not Unflavored. This is Tart / Sour, Which Limits the Options to Certain Juices

Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)

I was expecting an unflavored fiber powder. However, expect a sour/tart taste. This means you can't add it to tea or coffee. I don't think it is appropriate to say that it is "unflavored" as I've had psyllium husk from other vendors that are truly "unflavored" (i.e. no citric acid). Dextrin (another fiber source) is also unflavored. But this Metamucil is tart (like sucking a lime) and can only be added to tart juices like orange juice or lemonade.

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Reviewed in the United States on May 19, 2026

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Melanie

Port Orchard, US

★★★★★ 5

Happy it is unflavored

Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)

I was worried about the taste based on some of the reviews. I tried it in my coffee, and I'm glad I did it that way. I keep coffee in the fridge, so that is what I mixed with one tablespoon of this. I use half and half and no sugar. I tasted it. It tastes like burnt coffee. Not a bad thing...thats just what the taste it added. I decided to see what would happen if I added a splash of a flavored creamer. The taste went away instantly. Hope this helps someone!

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Reviewed in the United States on January 13, 2026