PCR Tubes CryovialsUltra-thin, uniform side wall and bottom provide even heat transfer and faster cycle timesRibbed cap design ensures closure during boiling phase eliminating evaporationVirgin polypropylene assures sample integrity and yields superior clarity for sample viewingAvailable intubes with attached capsortubes in strips of 8 with separate caps Designed for bio-storage at temperatures as low as -190 °CCap features exclusive silicone seal to ensure a positive closureSuper fast thread removes cap in 1 1/4 turnsRadiation sterilized and packed in a tamper-evident, resealable safety-lock bagConical Bottom TubesSelect a product:Avitrolab Conical Centrifuge TubesBD FalconTMGraduated TubesBD Falcon 50 ml Conical Tube with Flip-Top CapCorning® Conical Bottom Centrifuge TubesCELLTREAT Centrifuge TubesCELLTREAT Bio-Reaction TubesNEWDisposable Plastic Conical Centrifuge TubesHeathrow Scientific Premium Conical Centrifuge TubesHeathrow Scientific® Conical Centrifuge TubesNalgene® Oak Ridge Conical Centrifuge TubesNuncTMEZFlipTMConical Centrifuge TubesNunc® Conical Bottom Centrifuge TubesSuperClearTMPolypropylene Conical Centrifuge Tubes15 & 50 ml LightSafe Centrifuge Tubes