The most common female quick disconnect for the carpet cleaning industry. These brass couplers are equipped with double EPDM seals which are resistant to high pressure, high temperature, all but solvent based chemicals and abrasion.

Prochem wand and stair tool valve.

V800 Soft touch valve from PMF.

This 1/8" female pipe thread chemical metering valve will fit most Prochem, BLUEline, Sapphire Scientific and HydraMaster units.

Paraplate Valve P1800 with 1/4-inch fittings.