These reducers are designed to reduce 1/2" ID tubing to 3/8" ID tubing. Ideal for using various Swiftech, Danger Den and other water blocks in a 1/2" ID system.
The Koolance 1/2" or 3/8" - Quad 1/4" ID Tubing Y-Splitter takes a 1/2" (13mm) or 3/8" (10mm) ID tube and splits into four 1/4" (6mm) ID tubes. Two 1/4" (6mm) caps are included to restrict flow down to 2-3 lines 1/4" (6mm) ID tubes.
Additionally, the SPL-X06Y4 includes G1/4 nozzle threading opposite the 1/4" (6mm) side, and both 1/2" (13mm) and 3/8" (10mm) nozzles ...