Add to Cart Stopcock Valve 1/2” MSRP: Now: $5.99 Was: American Hydroponics 1/2" Ball Valve (Stopcock valve) with barbed fittings. Comes in packs of 10. This black 1/2-inch nylon inline ball valve with double-sided barbed fittings is perfect for adjusting flow rates. MSRP: Now: $5.99 Was: Add to Cart
