15 ml Leakproof Graduated Cryovials with Plastic Screw Top Vials, Centrifuge Tubes Laboratory Test Tubes (15 ml Conical Bottom of 20 Pieces)
CLEAR graduation marks for reference, capable of standing themselves, also with great transparency to see inside.
SCREW on cap with a inserted silicone o-ring makes it available to carry fluids,like transporting fountain pen ink or as test tube replacement for aquarium water.(screw on correctly and make sure inside o-ring the right place make it watertight.)
MADE of good quality PP with great cap tightness, suitable to be placed in situations under (-180?).
SIZE: 15ml, 20 tubes and 20 lids in the package.for Detail dimensions, please refer to the picture.
2 ml / 5ml / 10ml / 15ml / 50 ml are all available for you to choose in store, It's always a good choice to check size for your needs.
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