uxcell Silver Tone Solid Brass 1/2" PT Thread Pull Port One Way Check Valve Product Name : One Way Check Valve;Color : Silver Tone Thread Size : 1/2" PT;Thread Diameter : 19mm Size : 50 x 24mm/ 2" x 0.94" (L*D);Material : Chrome Plated Solid Brass Weight : 96g Package : 1 x One Way Check Valve