MTM Hydro Acqualine Pressure Washer Nozzle Guard with 1/4” Plug, 25 Degrees 4.0 by | Jul 25, 2026AQUALINE NOZZLE GUARD – Threaded stainless high pressure washer nozzle installed in a 316 surgical grade stainless steel nozzle holder with a stainless steel QC plug assembled with an Italian threadlock.