The EK-RES X3 TOP WHITE is an replacement white top end cap for EK-RES X3 series reservoirs and other RES X3 based parts.EK-RES X3 TOP WHITE is made of quality machined POM Acetal material.Contents:- EK-RES X3 TOP WHITE- including sealing gasket (o-ring / OR 52x2.5)Compatibility:This spare part is compatible with the following EK reservoirs:- EK-RES X3 110- EK-RES X3 150- EK-RES X3 250- EK-RES X3 400- EK-DDC X-RES CSQ- EK-D5 X-RES CSQPlease note:- G 1/4 plug to close the port is no enclosed.- Allen key 6mm, required for tightening of G1/4 plugs, is not enclosed. It is however being enclosed within each delivery of the EK-RES X3 series reservoirs.Made in Slovenia - EU!