All MTM Hydro nozzles are laser etched along the neck with degree and size of the nozzle. For reference: 25045 translates to 25° size 4.5 orifice. The entire warranty policy can be view at the link below.
MTM Rinse Nozzles 7.0 Orifice | 4 Pack 1/4" Stainless Quick Connect
MTM Pressure Washer Rinse Nozzles 4.5 Orifice | 4 Pack 1/4" Stainless Plug
MTM Pressure Washer Rinse Nozzles 2.5 Orifice | 4 Pack 1/4" Stainless Plug
MTM Pressure Washer Rinse Nozzles 3.0 Orifice | 4 Pack 1/4" Stainless Plug
MTM Pressure Washer Rinse Nozzles 5.0 Orifice | 4 Pack 1/4" Stainless Plug
MTM Pressure Washer Rinse Nozzles 4.0 Orifice | 4 Pack 1/4" Stainless Plug