![Habitech 2-Pack in-Line Barbed Ball Valve 16mm for 1/2 and 5/8 Inch Tubing (.570 to .620 ID)](http://myhabitech.com/cdn/shop/products/16mm_Main_Image_NEW_2PK_{width}x.jpg?v=1573811659)
Inline ball valves (2 Pack) for 1/2 and 5/8 inch tubing are the perfect way to regulate the water flow of your aquatic, hydroponic, or drip irrigation systems with a simple turn of the knob. Slip your tubing onto the barbed ends of this shut-off valve coupling to control, disperse, slow, divert or completely stop water flow.