Pyrex 5/8” Heavy Sight-Glass Tubing – 16mm OD, 7740 Borosilicate Glass – Priced Per Inch

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Description

This is Pyrex 5/8-inch heavy sight-glass tubing – that's 16mm outside diameter, and it's the 7740 borosilicate formula.
The price is $0.
99 per inch, so you order the length you need.
Brand new, never used, straight from the factory.
Made in the United States, so it's high quality.
Borosilicate glass handles thermal shock way better than regular soda-lime glass, which is crucial for sight glasses on boilers, tanks, or chemical lines.
It's thick-walled and clear, so you can easily see fluid levels, flow, or color changes.

5/8 PYREX TUBING HEAVY SIGHT-GLASS 16MM OD BOROSILICATE $.99 PER INCH | UK

Perfect for industrial equipment, brewery setups, or even lab apparatus.

FREDDOX HERMETIC SIGHT GLASS HSG58016S 16MM - 5/8 ODF | FSG1125

You cut it to your desired length – just score and snap.

5/8 PYREX TUBING HEAVY SIGHT-GLASS 16MM OD 7740 BOROSILICATE $.99 PER INCH

No MPN besides 7740, but that's the standard for this glass type.

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It's unbranded in terms of packaging, but it's genuine Pyrex material.

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It'll last for years if you handle it carefully.

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Great for maintenance pros, engineers, or homebrewers who want a reliable viewport.

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Price is per inch, so buy only what you need.