Best Screw Cap Micro Tubes

Qfeley 15 Pack 10ml Lab Plastic Frozen Test Tubes Cryogenic Vial with Screw Caps Self Standing Vial Seal Cap Container for Laboratory School

Material - plastic frozen test tubes are made from PP with smooth wall and good transparency. 10ml capacity frozen tubes with clear 1-10ml scale can easy reading of the liquid volume..
Value package - one pack with 15 pieces plastic frozen test tubes in 10ml capacity with clear screw caps,sufficient quantity can meet school, scientific laboratory usages and replacements..
Size - plastic cryogenic vial measure about height 95mm/3.74", bottom diameter 15mm/0.6", capacity 10ml/0.35oz with clear 1-10ml scale..
Design - plastic frozen test tubes designed with self standing, will not slide when using. Each frozen tubes comes with a pieces black gasket, combine with screw sealing cap can make cryogenic vial will not volatilize samples..
Wide usage - cryogenic vial test tubes are perfect for lab sample storage. Plastic frozen test tubes with smooth side wall and can placed under -80℃ to refrigerate samples, ideal for schools, scientific research laboratory and etc..

Item: Flat Screw Cap Conical Centrifuge Tubes, Standing Designed..
Capacity: 50 ML, Graduated every 5ml & 2.5ml..
Application: These Centrifuge Tubes are designed for centrifugation, sample handling and sample cold storage among many other uses..
Size: 117 mm Full Length, 29 mm Tube Diam, 33 mm Cap Diam..

Value package - you will get one pack including 50 pieces small plastic frozen test tubes in 2ml capacity with white screw caps, sufficient quantity can meet school, scientific laboratory usages and replacements..
Material - plastic frozen test tubes are made from PP with smooth wall and good transparency. 2ml capacity frozen tubes with clear 0.5-2ml scale can easy reading of the liquid volume..
Design - self standing design of plastic frozen test tubes will not slide when using. Each plastic cryogenic vial tube comes with a pieces black seal gasket, combine with screw sealing cap can make our cryogenic vial will not volatilize samples..
Size - plastic cryogenic vial tube measure about height 4.1cm/1.6inch, bottom diameter 1.1cm/0.43inch, capacity 2ml/0.07oz with clear 0.5-2ml scale marked, easy to use..
Wide usage - these plastic cryogenic vial test tubes are perfect for lab sample storage. Our plastic frozen test tubes designed with smooth side wall and good sealing property, can placed under -80℃ to refrigerate samples, ideal for schools, scientific research laboratory and etc..

50pcs 10ml clear flat plastic test tubes with screw caps and 1-10ml scale, easy to read liquid volume.
Made of PET plastic, sturdy and toxic free, smooth wall and good transparency.
The plastic test tubes with a screw cap, no rough edges, have a good seal.
Resistance to low temperature, can be frozen for a long time.
Used in hospitals, epidemic prevention station, schools, scientific research laboratory, etc.

INDUSTRIAL QUALITY || Pack of 24, flat bottom test tubes with a 30ml capacity. Each test tube is made of high quality, heavy duty, Borosilicate 3.3 glass.
BAKELITE SCREW CAP || Each test tube is fitted with a Bakelite screw cap to ensure a tight seal.
DIMENSIONS || Each test tube measures 3.75" tall and is 1" wide (including cap).
AUTOCLAVABLE || Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks.
GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use.

INDUSTRIAL QUALITY || Pack of 12, round bottom test tubes with a 30ml capacity. Each test tube is made of high quality, heavy duty, Borosilicate 3.3 glass.
BAKELITE SCREW CAP || Each test tube is fitted with a Bakelite screw cap with a rubber liner to ensure a leak proof seal.
DIMENSIONS || Each test tube measures 3.9" tall and is 1" wide (including cap).
AUTOCLAVABLE || Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks.
GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use.

SIZE: Diameter is approx. 8.5mm, height is approx. 40mm, capacity is approx. 2ml..
HIGH QUAILTY: They are made of high quality polypropylene material which are adapted to micro centrifuge..
UNIQUE DESIGN: The centrifuge tubes are with snap cap,they are not easy to leak and safe to use. They are also graduated and clear, which facilitate accurate sampling..
MORE FUNCTIONS: Centrifuge tubes are widely used in molecular biology, clinical chemistry and Bio-chemistry research. They are perfect for storing tiny specimens..

...-purity PP material, which is strong, durable, leak-proof, not easy to break, and have excellent transparency, chemical stability and long service life..
UNIQUE DESIGN - The transparent appearance with high visibility allows you to easily view the internal samples and the clear scale is easy to read. The longer blue screw cap can tightly seal the test tubes to prevent sample leakage. The plastic centrifuge tubes also include a white writing area for easy marking and identification..
GREAT VALUE FOR MONEY - The surface of the inner wall is smooth and there is no residual solution. The 4 test tube racks are convenient for storing your samples. You will obtain 200 PCS conical centrifuge tubes to meet your various experimental needs. The capacity of the centrifuge tubes is 15 ml. The size of the test tube rack is 10 x 4.4 x 2.5 inches..
WIDE RANGE OF APPLICATIONS - The 15 ml centrifuge tubes are very suitable for hospitals, scientific laboratories, schools, epidemic prevention stations, preclinical research, separation and preparation of biological samples, biochemistry and more..
30-DAY RETURN SERVICE - We will answer product questions and after-sales questions for you within 24 hours. If you are not satisfied with the plastic centrifuge tubes for any reaso....