Water Treatment ComponentsEqual ElbowContact Us to PurchaseFeatures Push-fit technology, easy to disassembly and assembly. Withstanding pressure and prevention of leakage design. Suitable using in RO drinking system, purifier, water treatment system...etc. Specification Model Type Spec Remark QC-0074 equal elbow 1/4 OD x 1/4 OD John Guest (PP0308W) QC-0021 equal elbow 1/4 OD x 5/16 OD John Guest (PP211008W) QC-0043 equal elbow 3/8 OD x 3/8 OD John Guest (PP0312W) QC-0097 equal elbow 1/4 OD x 3/8 OD, white John Guest (PP211208W) QC-0015 equal elbow 1/2 OD x 3/8 OD, white John Guest (PP211612W) QC-0098 equal elbow 1/2 OD x 3/8 OD, gray John Guest (PI211612S) QC-0014 equal elbow 1/2 OD x 1/2 OD, gray John Guest (PI0316S) QC-0042 equal elbow 3/8 OD x 3/8 OD DM (AEU0606W) QC-0041 equal elbow 1/4 OD x 1/4 OD DM (PEU0404) QC-0019 equal elbow 1/4 OD x 3/8 OD DM (AEU0604W) QC-0121 equal elbow 1/4 OD x 1/4 OD Made in Taiwan QC-0122 equal elbow 1/4 OD x 3/8 OD Made in Taiwan ApplicationPrevents leaking. Match tubing to same diameter pipe fittings.