1/2" QC x 1/2" QC union straight
![1/2" QC x 1/2" QC union straight](http://ri-hydroponics.com/image/cache/HL14045-500x500.jpg "1/2" QC x 1/2" QC union straight")
Use the Hydrologic reverse osmosis water filter 1/2" union connector to customize your indoor hydroponic garden water purification system.
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