Get a free 4-way rack with purchase. See below for details.
Seal-Rite 0.5 mL tubes protect your samples from evaporation, leakage, accidental opening, or breakage during boiling, freezing, centrifugation, or phenol/chloroform procedures. 1000/pack.
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Get a free 4-way rack when you purchase 5 or more bags of the Seal-Rite tubes. Choose your color: neon blue (2304-8041), neon green (2304-8042), or neon pink (2304-8044). Add your choice to your order with the bags of Seal-Rite. Limit one per order. Offer expires September 30, 2025.
Seal-Rite® tubes protect your samples with a precision sealing system that prevents evaporation, leakage, and accidental opening. Seal-Rite tubes are pure polypropylene; no processing additives such as slip agents, biocides, or antistatic agents are used during production. Your samples remain protected from potential bioactive contaminants. Our zip-top, resealable bags are tamper-evident for additional assurance.
Certified free of detectable RNase, DNase, DNA, and pyrogens. Autoclaving is not necessary for most molecular biology applications.
Natural, amber, and individual colors are packed 1000 tubes/bag. Sterilized tubes are packed in 5 bags of 200 (1000). Assorted color tubes have 5 bags of 200 tubes, 1 bag each of blue, green, red, violet, and yellow (total 500 tubes).
Thumb-friendly beveled lip
Graduations every 100 µl
Tube thickness optimized for optical clarity and strength
Frosted side writing surface
Flat cap accepts lab markers
Tested for centrifugation up to 25,000 × g
No bioactive agents were used during manufacturing
Zip top tamper-evident bags reseal for safer storage
Get a free 4-way rack when you purchase 5 or more bags of the Seal-Rite tubes. Choose your color: neon blue (2304-8041), neon green (2304-8042), or neon pink (2304-8044). Add your choice to your order with the bags of Seal-Rite. Limit one per order. Offer expires September 30, 2025.
Seal-Rite® tubes protect your samples with a precision sealing system that prevents evaporation, leakage, and accidental opening. Seal-Rite tubes are pure polypropylene; no processing additives such as slip agents, biocides, or antistatic agents are used during production. Your samples remain protected from potential bioactive contaminants. Our zip-top, resealable bags are tamper-evident for additional assurance.
Certified free of detectable RNase, DNase, DNA, and pyrogens. Autoclaving is not necessary for most molecular biology applications.
Natural, amber, and individual colors are packed 1000 tubes/bag. Sterilized tubes are packed in 5 bags of 200 (1000). Assorted color tubes have 5 bags of 200 tubes, 1 bag each of blue, green, red, violet, and yellow (total 500 tubes).
Thumb-friendly beveled lip
Graduations every 100 µl
Tube thickness optimized for optical clarity and strength
Frosted side writing surface
Flat cap accepts lab markers
Tested for centrifugation up to 25,000 × g
No bioactive agents were used during manufacturing
Zip top tamper-evident bags reseal for safer storage
