SPER Scientific Liquid Handling Products

SPER Scientific Pipet Filler, 4-1/2 X 2 X 2 In, Black, Silicone Rubber, 1.3 Oz Weight, Enables Filling And Dispensing Of Pipets With One Hand, Avoidance Of Hand Or Mouth Contact With Liquid, Offers A Softer Feel With Easier And Faster Operation Of Valves, Silicone Is Chemically Resistant And More Resilient Than Either Pvc Or Natural Rubber Hence Will Not Crack Or Become Brittle And Will Last Longer And Stay Flexible, Adjusts To Fit Any Size Pipet - SPER