Sonic Foam System - Hex Nut and Key Grip Set - 42 Pieces - 34" (Large) garage This is the smallest option

This is the smallest option

Another neat feature is the CGM "Continuous Ground Monitoring" system

This will screw directly onto the 1/4" or 3/8" NPT outlet of the hose

This fitting takes a 3/4" NPT (Male) thread and converts to a 1" Prevost pipe

You need a wand like this

Sonic Foam System - Hex Nut and Key Grip Set - 42 Pieces - 34" (Large) garage This is the smallest optionThese are the tools I've decided to use at OGHQ, they have a nice quality to them with good ergonomics. They aren't intended to replace everything but there is a great variety of tools offered here. For the price you cannot beat them vs something that's 2x or 3x the cost like Snap On.