+44 (0) 1904 488 599

Welcome, I’m Alex Davis. Yorlab prides itself on its professional but personal approach to customer service and we are committed to ensuring that we can meet all of your laboratory needs – just give us a call on 01904 488599 or 0191 526 0897

Alex Davis, Managing DirectorAlex Davis, Managing Director
Thermo Scientific (Nalgene®) 

Flexible Top Works™ Systems

For NALGENE carboys and bottles with PP screw closures, platinum-cured silicone inserts. Flexible silicone top works systems include solid, 2-port and 3-port versions. Platinum-cured silicone tubing is fused through stopper to form one-piece closure system. Permits aseptic liquid transfer from most NALGENE bottles and carboys. Autoclavable, leakproof, class USPVI.
Nalgene®  Flexible Top Works™ Systems
ClosureDescriptionPUOrder No. Price/Unit/GBP 
38-430no connection, fixed stopper15103332-on demand 
38-430with 3 connections15103333-327.77Order
53Bno connection, fixed stopper15103334-247.34Order
53Bwith 2 connections15103335-337.82Order
53Bwith 3 connections15103336-388.10Order
83Bno connection, fixed stopper15103337-357.93Order
83Bwith 2 connections15103338-472.55Order
83Bwith 3 connections15103339-729.95Order