This is a valveless version for pressure washers.
TFH-O SERIES (Valveless) Nipple. Valveless version for Pressure Washers. Interchange: Nito-6500-DK.
Gromelle Interchange - TGW Series Nipple.
Snaptite H Series (Steel) Coupler (BSPP/NPT), valved and unvalved.
Plastic Dust Caps & Plugs To Suit Flat Face Couplings - Plugs