These tubes are made from ultra-clear USP Class VI PP that allows easy viewing of contents.

These tubes are made from an ultra-clear resin that allows you to easily view the contents. They feature universal screw threads for use with most popular brand screw caps. Low-profile caps include an ethylene propylene O-ring, ensuring a secure seal. Tubes also feature a smooth surface for applying labels. Tubes fit most common rotors. Tubes and caps are autoclavable at 122°C (251°F) and freezable to –90°C (–130°F). Sterile tubes are radiation sterilized. Certificate available to verify lot-by-lot testing.

• RNase-, DNase-, and endotoxin-free
• Engraved graduation ensure accuracy
• Fit most common rotors
• Smooth surface for applying labels
• Sterile tubes are sterilized by irradiation

They feature universal screw threads for use with most popular brand screw caps. Low-profile caps include a silicone O-ring, ensuring a secure seal. Please kindly note: We began to use silicone O-ring from May 1st, 2022 and stopped manufacturing the MCT cap with the ethylene propylene O-ring from May 1st 2022. So if lot number indicates 2205*** are with silicone O-ring. If any query, please contact us freely.

Tubes and caps are autoclavable at 121 °C and freezable to –80 °C.