PC2121-5M pH Industrial Electrode - 3551_0

PC2121-5M pH Industrial Electrode - 3551_0

Marsoni

M251S

$90.00

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

PC2121-5M pH Industrial Electrode - 3551_0PC2121 5M pH Industrial Electrode 3551_0 This industrial electrode measures the pH of a solution and connects to a pH ORP Adapter. The PC2121 is an economical combination electrode ideal for general industrial processes. It is well suited for testing pool water, sea water or underground water. It can also be used at high temperature in strong acid or base environments. The electrode provides a fast, stable response and is ideal for prolonged pH

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I've been using these pillow cases for more than 6 months and LOVE them. They are well made, no wrinkling, fraying or wearing out, even with a weekly washing. I love the zippers on them, my pillows fits perfectly in the case and don't constantly escape from the case overnight. They definitely perform as described: they keep me cool at night and don't smell and actually don't make a mess of my hair. I bought an extra one and put it on a pillow I keep close to my body which helps me from overheating during the night. They are a great value for the price, I wish I could get top sheets in the same style as these and I'd be in heaven!

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Reviewed in the United States on March 23, 2026

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Amazon Customer

Lake Worth, US

★★★★★ 3

Cool Pillowcases

Color: Gray, Size: Queen (U.S. Standard), Set name: Stretchy and Soft

These pillow cases are silky soft and cool to the touch. They don’t stay as cool as I would like, however, so I find myself moving around on the pillow to find a cool spot or flipping the pillow over. I have washed them several times and the coolness seems to be diminishing. Still, it’s better than a regular cotton pillow case. The zipper is needed and helps keep the material on the pillow.

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Reviewed in the United States on August 20, 2025

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Scott Mautino

Bozeman, US

★★★★★ 5

By far the best cooling pillow case I’ve bought highly recommend

Color: Blue, Size: Standard, Set name: Silky

Highly recommend best cooling pillow case I’ve bought very soft and comfortable seems to be made from good material as well

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Reviewed in the United States on May 3, 2026

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FL Design

Port Orchard, US

★★★★★ 5

Sleek shear soft cool zippered pillow cases

Color: 07 - Green, Size: Queen (20" X 30")

I'm a huge fan of bamboo fabric. It feels great to wear and so it also feels good to sleep on, especially during hot and or humid spells. Pillowcases came in a pack of 2 and were well packaged and arrived undamaged. Shipping was very fast. Cases appear to be well made. they are a lovely soft green which is perfect for a restful bedroom setup. As expected the fabric is soft and relaxing against the skin, it seems to retain a cooler feel than cotton.Bamboo tends to be a thinner fabric that is light and once damp, dries pretty quickly. Perfect for folks who run hot normally and need extra cooling during the summer or people who sweat at nigh. Cases are zippered and zippers worked well and appear nicely sewn in and decent quality. At night, slept very well. I think this is a good product and like the price point a lo. Will be looking to get another set very soon!

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Reviewed in the United States on August 7, 2025

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TMarie

Port Orchard, US

★★★★★ 5

Best Pillowcases

Color: 08 - Beige, Size: Standard (20" X 26")

The BEST pillowcases! Soft, comfortable, not too hot. I already ordered more.

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Reviewed in the United States on May 26, 2026