Hansen Ball Valve Blue 40mm LPSJ15006 this is a good quality

this is a good quality easy-to-use bull holder (or show lead as it is called in the US)

Ultrasonic nebulisers produce cold aerosol through high-frequency vibrations

40 litre 62cm long x 42cm wide x 20cm high

For 'male' adaptors the dimension is the overall outside diameter of the thread portion of the container bung

Hansen Ball Valve Blue 40mm LPSJ15006 this is a good qualityQuick and direct fluid control High pressure rated 16 Bar 235 PSI at 20C No restriction of pipe flow BSPT threads for universal compatibility "Hansen Full Flow* ball valves can be used anywhere the flow of fluid needs to be quickly and directly stopped and started. All valves have BSPT threads. *Hansen Full Flow valves do not restrict pipe flow when fully open. Blue Handle is for general use