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Reviews (12)
5pcs SN74LS181N 4-Bit Arithmetic Logic Unit PDIP24
Oct 26, 2017
74LS181
It Works!!!!! I'm Happy!!!!!
Jun 07, 2017
Well made and great wood storage case!
I'm Happy!
Jun 01, 2021
3M 8210 N95 is the BEST mask and here's why. . .
3 of 3 found this helpful Best Mask available is 3M N95 and of all the masks they make, I think the 8210 is the best as it has no leaky valves, which you don't want!!!!! The only thing of importance is that you can't get it wet!!!!! It's made of paper and can't take even one drop of water. And when times get BAD like last year, you can easily hot glue elastic bands on it to replace the original rubber bands, and you can do this many times. It's made to tightly fit over your mouth and nose, which makes it hard to breath through, which is what you want to protect yourself. To replace this mask you have to hot glue two KN95 masks together, and this 3M mask is still much better. Use your Kn95 masks for when it rains, use this mask inside of large grocery stores to stay healthy.