EK-RES X3 - Internal Tube 12/16 140mm is an upgrade tube for EK-RES X3 - Multiport TOP which further expands the use of EK-RES X3 series reservoirs. These tubes, which are sealed with quality NBR rubber gasket, allow the ports on EK-RES X3 - Multiport TOP to be used as an outlet (suction) ports as well.Specification:- made of high quality acrylic glass- overall dimensions: 12/16mm (ID/OD)- total length: 140mmContents:- acrylic tube- gasket (o-ring)Compatibility:Compatible only with the following reservoirs in combination with EK-RES X3 - Multiport TOP:- EK-RES X3 250- EK-RES X3 400Made in Slovenia - EU!