10Pcs/batch of pneumatic air hose quick plug air connector PC 4mm 6mm 8mm 10mm 12mm thread 1/8 1/4 3/8 1/2 quick connector

10Pcs/batch of pneumatic air hose quick plug air connector PC 4mm 6mm 8mm 10mm 12mm thread 1/8 1/4 3/8 1/2 quick connector

Aliexpress UK