I would never use a triggered or capped nozzle. A Home design no guard "Foot control". switch feet when ever . There are times I spend a whole day at mine . I use a hardened nozzle. No trigger More versatile and you can under hand it. My nozzle is in there for at least 15 yrs and maybe more. Everyone uses my blasters I also have a home made pressure pot blaster for outside. It holds 4 bags