1PCS 304 Stainless Steel Waterproof Air Vent Valve M16 M20 M8 Screw In Protective Vent Plug M12 E-PTFE Metal Breather Vent Valve

1PCS 304 Stainless Steel Waterproof Air Vent Valve M16 M20 M8 Screw In Protective Vent Plug M12 E-PTFE Metal Breather Vent Valve

Aliexpress UK