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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
Whatman UN113UGMF UniPrep Syringeless Filter, glass microfiber, 0.45 um, GMF filtration medium, 50 per packUP 0. 45uM GMF 50 PK UniPrep Syringeless Filters are preassembled filtration devices for the filtration and storage of laboratory samples. These devices are quick and easy to use and feature a plunger, Filter, and vial in one unit. They replace syringe coupled filtration devices with single, disposable units. UniPrep devices consist of two parts: a test tube and a Filter plunger. The design incorporates a preFilter and a membrane into the tip of the
UP 0.45uM GMF 50/PKUniPrep Syringeless Filters are preassembled filtration devices for the filtration and storage of laboratory samples. These devices are quick and easy to use and feature a plunger, Filter, and vial in one unit. They replace syringe-coupled filtration devices with single, disposable units.UniPrep devices consist of two parts: a test tube and a Filter-plunger. The design incorporates a preFilter and a membrane into the tip of the plunger. When the Filter plunger is pressed through the liquid placed in the test tube, positive pressure forces the filtrate up into the reservoir of the Filter-plunger. UniPrep devices function in a similar way to the Mini-UniPrep. However, UniPrep does not contain a septum in the cap and can be used to Filter larger volumes (1 to 5 ml).
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.3 ★★★★★
Based on 590 reviews
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Product Reviews
★★★★★ 2
Pass on this one.
It's hard plastic, which doesn't make for a fun experience for either the dog, or our floors. It doesn't stay charged for long either. I wasn't impressed at all...and neither was the dog.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Best dog toy ever
So good I bought another. My dog is obsessed with this. The only downfall is after she has chewed it a bit l, it becomes sharp to open
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Reviewed in the United States on November 26, 2025
★★★★★ 5
Fun and durable toy
Lots of fun for this crazy guy! He pounces on it, chases it and has so much fun. The confusion on his face is so funny. He usually gets bored fast, however this ball keeps him quite entertained.
The ball holds a charge for a few playtimes so that is also a plus!
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Reviewed in the United States on March 11, 2025
★★★★★ 5
Picky dog approved!
Color: S6-muti-color, Color: S6-muti-color
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
★★★★★ 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