uxcell 1/4 BSP Female Threaded Fuel Line Water Non-return One Way Check Valve Female Thread Diameter: 11.4mm / 1/4BSP; Product Name: One Way Check Valve Total Size: 39.4 x 18mm/1.55" x 0.71"(L*D); Color: Silver Tone Material: Metal Net Weight: 39g Package Content: 1 x One Way Check Valve