Package: two chemical injector sets include two brass barbs with 1/8 inch-27 male BSP thread, two check valve balls, two springs and four o-rings
Compatible: Pressure washer soap injector kit is compatible with Pump 190593GS, 190635GS and 203640GS
Function: If the part on your pressure washer pump is worn out, rusted or hard water deposit clogged, you can replace it with this set
Attention: When you insert injector into receptacle of pump and tighten injector with 13 mm wrench, don't overtighten, you'll break the o ring or crack white metal on pump
Warm Tip: Please check the part number of your pressure washer pump and make sure the soap injector matches your pump