Hot water (high temp.) rated Viton O-Rings.  Brown in color.  Available in 3 sizes.  1/4", 3/8" and 1/2".  These replacement o-rings will give you longer life versus the black coloured...

FPT Quick connect socket, Stainless Steel.  For high pressure washers.  Available in 3 sizes, 1/4", 3/8" and 1/2".

Stainless steel high pressure MPT quick connect plug.  Available in 3 sizes.  1/4", 3/8" and 1/2".

FPT QUICK CONNECT PLUG, Stainless Steel.  Made for pressure washers.  Available in 3 sizes.  1/4", 3/8" and 1/2".

MPT Quick connect socket, Stainless Steel.  For high pressure washers.  Available in 3 sizes, 1/4", 3/8" and 1/2".

FPT QUICK CONNECT SOCKET, Brass.  Made for use with pressure washers on the end of wands and lances.  Available in 3 sizes, 1/4", 3/8" and 1/2".

Karcher style twist seal pressure washer fitting.  22mm to 3/8" FPT.  Use this to adapt regular 3/8" MPT hoses to your pressure washer that have a 22MM fitting.  Also known...

Bayonet plug with 1/4" FPT inlet.

Bayonet coupler with 1/4" MPT inlet.

MPT QUICK CONNECT SOCKET, Brass.  Made for use with pressure washers.  Available in 4 sizes, 1/4", 3/8", 1/2" and 3/4".

FPT QUICK CONNECT PLUG.  Made from Brass.  For use with pressure washers.  Available in 3 sizes, 1/4", 3/8", and 1/2".