Best in 7 days
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Description
Simpson HDIA37 Hollow Drop-In Internally Threaded expansion Anchor 3/8"The HDIA hollow drop in anchor is an internally threaded, flush mount expansion anchor designed for attaching threaded rod to support a variety of conduit, cables and lighting. This anchor is ideal for use with hollow base materials such as CMU and hollow core plank as well as in solid base materials such as brick and both normal weight and lightweight concrete. The HDIA can easily be installed in both hollow and solid materials with a setting tool.
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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
4.4 ★★★★★
Based on 1532 reviews
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Product Reviews
★★★★★ 4
Color is off, feels decent
Color: 07-beige, Size: 20" X 26" (Pack of 2)
Feels nice and very cooling to the touch. Although you can tell it definitely isn't cotton. I ordered the color beige but it is much more of a cream color.
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Reviewed in the United States on February 23, 2026
★★★★★ 5
Good quality and value!
Color: 01-grey, Size: 20" X 26" (Pack of 2)
Washed nicely and cooled pretty well! Love thaf they stay on the pillow for my ASD son. Just what I was looking for! Would recommend!
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Great case
Color: 03-dark Grey, Size: 20" X 26" (Pack of 2)
Love these pillow cases! FYI: 20" X 26" are PERFECT for supposed "queen size" feather pillows. 20" x 30" ones are too big and allow the feather pillow to flatten out too much. There is a bit of stretch to the cases. The "cool side" of the pillow case IS NOTICEABLY COOLER than the other side. Good zipper.
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Reviewed in the United States on March 31, 2026
★★★★★ 3
Hmmmm not really a cooling case
Color: 07-beige, Size: 20" X 36" (Pack of 2)
I bought these because like many I get hot at night, right around my neck. While it's soft and satin to the touch, and cool to touch, it doors keep me cool presay. I still get hot, I flip the pillow and because it's cool, I get cooled down. Again doesn't actually keep me cool all night though.
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Reviewed in the United States on March 4, 2026
★★★★★ 5
That I keep my head, cool
Color: 01-grey, Size: 20" X 26" (Pack of 2)
They are cool and that’s exactly what I wanted. Something that wasn’t hot and I’m very happy with my purchase.
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Reviewed in the United States on April 27, 2026
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