I bought these because of the tall bottles that I have spilled liquid in. They work and do their job. Don't expect accurate measurements. If you need it, you need to insert another gauge/unit. Siphoning takes some practice in terms of the volume they hold. I love that they come with cleaning brushes. The set comes in two sizes, they are easy to clean by hand or disassemble and they fit in the dishwasher. I give it a good rating.
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