Sonic Foam System - Combo Set 1/4", 3/8" - 157 Pieces - 26" (Medium) Water Filtration Systems You would use this to

You would use this to extend the length of your boom pole

Don't get too hung up on the pressure number

We tested these in the shop to find the exact orifice size needed to maximize flow (GPM) and working pressure safely:

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I would rank this Jescar on the lower side of cutting ability

Sonic Foam System - Combo Set 1/4", 3/8" - 157 Pieces - 26" (Medium) Water Filtration Systems You would use this toThese 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.