These clear high grade gamma resistant PP tubes are ideal for sample processing applications.

• Autoclavable at 121 ℃ and freezable to –80 ℃, and excellent for frozen storage
• Caps accept color coded inserts, and easily write on the frosted side of insert
• O-rings are made from silicone to insure a leakproof seal
• RNase-, DNase-, and endotoxin-free
• Sterile tubes are sterilized by irradiation

Excellent for freezer storage or secure sample handling. Screw caps incorporate silicone O-rings for a leakproof seal and accept color-coded inserts. Inserts snap into the top of the cap and create a flush surface. Tubes are available with standard caps or loop caps, which tether the cap to the tube.