Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 17 - Jun 22
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Description
Genesis Rock 2pcsGENESIS ROCK 2PCS is a high efficiency biological filtration media for aquariums. This set contains two sintered ceramic blocks providing over 2,000 square meters of combined surface area for bacterial colonization in compact 4x4x0. 875 inch blocks. Specifications: Quantity: 2 ceramic blocks Dimensions per block: 4 x 4 x 0. 875 inches Total Surface Area: 2,000+ m (22,000+ ft) Material: Sintered ceramic Category: Aquarium Filter Media Key Features:
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- Free Standard Shipping on $100+ Orders to the USA.
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- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 1640 reviews
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Product Reviews
★★★★★ 3
It’s ok could be cooler
Color: Light Gray, Size: Queen
Decent — could be cooler. They’re a nice color and texture. It fit my pillows well no annoying zippers it’s nice to sleep on and stay in place.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Comfort
Color: Champagne, Size: Queen
What a lifesaver, great feel, and awesome cooling feel
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Cool bedding
Color: Champagne, Size: Queen
As advertised nice and soft. But most of all cool. It really stays cool, especially on warm nights. A.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Great value
These pillows feel just like down pillows.They are high quality.You do not feel any lumps or bumps.Definitely a good night's sleep for me!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Loved it
Bought this for my 3 year old son and if it’s perfectly on his toddler, bed would definitely recommend. I love the fluffy and cooling effect. It gives is very soft. It feels amazing. Especially for a toddler very comfy.
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Reviewed in the United States on April 3, 2026
