OASE BioSmart Gravity Filters

Marsoni

M251S

$132.50

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

OASE BioSmart Gravity FiltersThe BioSmart Gravity Filters are a multi stage mechanical and biological filtration system in a compact package, designed for medium ponds or for ponds with moderate biological load (some fish). During biological filtration, the water is channeled through a series of filter foams that create a special environment by allowing the settling of beneficial bacteria. During this stage, harmful ammonia and nitrites are converted to nitrates, which support

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I don’t know why anyone would want pillow cases that don’t fit the pillow. These are “envelope” style meaning the pillow tucks inside them for a perfect fit—no “leftover” pillowcase sticking out on the end. They’re very soft and cooling and I have so far bought ones for every bed in my house and will be getting more as extras. Highly recommend!

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Reviewed in the United States on May 17, 2026

Verified Purchase

Betty

New York, US

★★★★★ 3

Very soft

Size: Body (20" X 54"), Color: 06 - Sage Green, Number of Items: 1

The color was perfect. It’s very soft. The only thing that I really don’t like is the finish of the opening, it would be better with a zipper closure.

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Reviewed in the United States on May 13, 2026

Verified Purchase

Shelby

Belleville, US

★★★★★ 5

Cool, Comfortable, and Worth Every Penny!

Color: Light Gray, Size: Standard

I’m honestly impressed with these pillowcases! From the first night, I could feel the difference—they stay noticeably cool, which is perfect if you tend to sleep hot like I do. The fabric feels silky smooth against the skin without being slippery, and it’s really gentle on both my hair and face. I’ve also noticed I wake up less sweaty and more comfortable overall. They fit my pillows well and don’t slip off during the night, which is a big plus. After washing, they held up great—no fading, shrinking, or loss of softness. If you’re looking for pillowcases that actually help keep you cool and comfortable through the night, these are definitely worth it. I’ll be buying more!

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Reviewed in the United States on April 7, 2026