Ruffwear Swamp Cooler Core

Marsoni

M251S

$29.99

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

Ruffwear Swamp Cooler CoreThis three layer chest panel features Ruffwear's Swamp Cooler Tech that uses evaporative cooling to efficiently disperse heat from the dogs core when exploring in warm temperatures. To activate, wet the Swamp Cooler Core with water, use the hook and loop sleeves to attach it to the chest and belly straps of the pack or harness, then hit the trail! SWAMP COOLER TECH Three layer construction that absorbs water and promotes an evaporative cooling effect

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We offer a 30-day return/exchange service after receiving.
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Very good product for the price - the front brushes wear fast compared to the original Eufy’s but for the value you do get a lot of product. So only 4 stars but just for the brushes “appearing to not last as long and bend but the buy is worth the extras. The filters look and work identical to the OEM. Good stuff - thanks!

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Reviewed in the United States on December 25, 2025

Verified Purchase

Eduardo

Cuba, US

★★★★★ 5

Perfect fit, 11s running like new!

Style: with Pre-Filter

All parts fit perfectly. My vacuum lasts about 20 min longer since the filter isn’t clogging it. Also, replacing the spinning brush quieted it down significantly, it sounds like new again.

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Reviewed in the United States on May 20, 2026

Verified Purchase

kathp

Belleville, US

★★★★★ 5

Replacement parts

Style: with Pre-Filter

Was so happy to find the replacement parts for my eufy robovac. Really makes a big difference in vac performance.

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Reviewed in the United States on April 5, 2026