These polypropylene tubes provide excellent option for RIA, coagulation & bacteriology etc. The cap in screwed on to the tube & hence this tube can be filled up to the brim.Available Size : 16 x100mm Ext. ThreadPacking : 500 Pcs. ALPHA CHEM-853 Storage VialThese vials are commonly used for storage of biological material, human & animal cells at temperature as low as -190C. The Cap is provided with a built in seal ring making the vial leak proof. The base of the vial has longitudinal grooves which gives it a non-twisting character when placed in a vial rack.Perticulars : 1.0ml, 2.0 ml, 5.0 ml.Packing : 500 Pcs. ALPHA CHEM-854 Storage Vial with O-RingThis vial has an O-ring in the cap that makes it absolutely leakproof. Like other storage vials this vial can also be used for storage purposes at temperatures as low as -190C.Perticulars : 2.0 mlPacking : 500 Pcs. ALPHA CHEM-855 Polypropylene VialsThese polypropylene vials add to the existing range of Lasany storage vials. Available in 2 ml , 5ml & 10ml capacities, these vials have polypropylene cap with built in seal ring making it a leak proof vial. Just like others storage vials these vials are also used for the storage of biological material, animal & human cells etc.Perticulars : SV-10ml, SV-5mlPacking : 500 Pcs.