RPI Gripseal Screw Cap Tubes, 1.5ml Capacity, Conical Bottom, Assorted Color Caps, 500 Per Case

Polypropylene micro-tubes supplied with unique GripSeal caps feature bright contrasting color stripes on a white cap. The color stripes provide a quick and easy method for coding samples. Integral TPE (thermal plastic elastomer) cap seals provide a leak proof fit and eliminate a separate O-ring. Both the tube and cap are DNase and RNase free, supplied sterile and can be autoclaved. Micro-tubes are natural color with graduations. Color striped caps are packaged in the following assortment of colors: green, orange, red, violet, yellow and blue.