Thomson SINGLE StEP low evaporation filter vials with screw-top caps, 0,45 µm, PTFE with low-evaporation cap, blue cap, 100 pack.

• Enhanced evaporation prevention technology, and no preslit in the cap membrane ensures less than 0,4% evaporation over 24 hours
• Easy-to-use vials offer fast sample filtration and require only a squeeze of your fingers
• Color-coded caps allow easy identification of 0,2 or 0,45 μm membranes in PVDF, PTFE, or nylon
• Rugged polypropylene vial houses insert with 450 μl loading capacity and low dead volume (120 μl)
• Fit most standard 12×32 mm autosamplers, including UHPLC instruments