Silicon Monoxide with removable Formvar on TEM Grids

Silicon Monoxide with removable Formvar on TEM Grids

Marsoni

M251S

$216.49

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

Silicon Monoxide with removable Formvar on TEM GridsSilicon monoxide with a removable Formvar backing on the opposite side of the grid. When the Formvar is removed, by dipping in solvent, a pure Silicon Monoxide film remains. These films are stable under all EM operating conditions and for use where the presence of Formvar cannot be tolerated. Pure Silicon Monoxide is more delicate than those with Formvar backing and require more careful handling during specimen preparation. 300 Mesh PELCO Technical

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I have wasted so much money on dog balls that they won't even pick up! They finally were obsessed with the Kong rubber green/blue or red/blue ones, but they're $3+. each, and they break from the dogs squishing it. I honestly had zero expectations on these, and they BOTH picked them up on the first throw! That's huge!! Seem to work fine in the ChuckIt. As for the squeaker, at first I was like "Oh nooooo." when they both loudly started! Much to my (and my neighbors') happiness, the squeakers stopped working after a couple minutes. 🤣

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Reviewed in the United States on February 2, 2025

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William Lovelace

Phoenix, US

★★★★★ 5

Great dog toys

Color: S6-muti-color

These are long lasting, durable dog toys. My dogs love the squeak sound.

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Reviewed in the United States on May 23, 2026

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Karen

Port Orchard, US

★★★★★ 5

Durable

Color: S6-muti-color

The balls are great for chewers. The squeaky didn’t last long but they are perfect for the ball launcher.

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Reviewed in the United States on May 18, 2026

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Candice K

Battle Creek, US

★★★★★ 4

The squeeker isn't durable, but the balls themselves are.

Color: S6-muti-color, Color: S6-muti-color

I have two 70+lb, ball obsessed dogs (a field bred Golden Retriever, and an Old Time Scotch Collie), and these balls are living up to the abuse they're receiving. In the fall we always lose a ball or two in the yard due to getting lost in leaves or longer grass, so I always try and buy a multi pack at the start of the season, so went with these this year. I'm glad I did. Great price for a 6 pack, they fit the medium Chuck-It launcher (a little loosely, but they throw just fine), have great bounce, they FLOAT (which means I didn't lose any at the beach), and they're super durable to the dreaded "mouth squish." The squeaker dies pretty quick, like, within a day, but it isn't the kind that can fall out or choke your dog, so no worries there. The boys are happy, I'm happy, my wallet is happy - I've already ordered another pack.

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Reviewed in the United States on November 2, 2024