304 Stainless Steel 20mm 30mm 40mm 50mm KF10 KF16 KF25 KF40 KF50 Weld Ferrule Vacuum Pipe Fitting

304 Stainless Steel 20mm 30mm 40mm 50mm KF10 KF16 KF25 KF40 KF50 Weld Ferrule Vacuum Pipe Fitting

Aliexpress UK