SP Bel-Art 2-Piece Stopcock for ⅜" Tubing, Polyethylene

Avoid outside contamination with this highly accurate closed system. Borosilicate glass burettes have white 0.1ml graduations and are mounted to a high-density polyethylene screw cap. Squeezing the flexible polyethylene bottle forces liquid into the burette. Built in overflow automatically drains excess liquid back into reservoir. The glass stopcock has a 2mm bore. Large, stable plastic base can be detached from reservoir. Accuracy of burette is within 1% of total volume. Graduation accuracy is Class A.

The Cleanware™ Pipette Rinsing System for pipette cleaning and storage has an effective, reliable design that ensures safe, efficient operation. Available in a complete system or in individual components. Pipette Rinsers provides a simple, automatic method for rinsing large numbers of pipettes at one time High level water entry provides an air gap between the maximum water level and the end of the water inlet tube ensuring safe and efficient operation "Tube within a tube" siphoning system assures rapid, complete and automatic siphoning and refilling over a wide range of inlet water ...

Dynarex® LabChoice Centrifuge Tubes are designed to reliably hold liquids during centrifugation procedures. These Centrifuge Tubes are crafted from high-quality polypropylene for increased durability and improved corrosion resistance. The Tubes are made with a flat top, screw cap to help ensure a secure seal and reduce the risk of leakage. Transparent plastic materials provide enhanced clarity for easy monitoring of contents. Dynarex® LabChoice Centrifuge Tubes feature a white writing panel for easy labeling and clear graduated marks for accurate measurement. These Centrifuge Tubes are ...

For convenient sampling from tanks, vats, streams, ponds, lakes, etc., these economy dippers are lightweight, easy to use and portable. Package includes dipper with 3-ft. handle and one 500mL (16 oz.) polypropylene cup. Thread on 500mL (16 oz.) polypropylene cup can be exchanged to reduce cross contamination Two pouring spouts on cup allow left or right pouring High-density polyethylene plastic handles are strong honeycomb tubes without inserts and are ribbed for a sure grip Handle end has a hook for hanging storage Replacement screw-on cup 500ml (16oz) is available and sold separately ...

Polypropylene gas sampling bulbs have polypropylene stopcocks with free-turning Teflon®PTFE plugs. Ends accept 6.4 to 9.5mm (¼ to ⅜") I.D. tubing. Tube body is 5.1cm (2") O.D. x 22.2cm (8¾") long. Stopcocks are 6.4cm (2½") long. Maximum recommended pressure is 15 psi. F19955-0000 has 4mm straight bore stopcock on one end and silicone rubber septum mounted in screw fitting on the other end. Septum can withstand several injections. 6 septa included. Overall length 29cm (11¹⁵⁄₁₆") F19957-0000 has 4mm straight bore stopcock on one end and 4mm 3-way stopcock on the other end. 3-way stopcock ...