WATER FILTER PROTECTS THE PRESSURE WASHER FROM ANY DEBRIS OR RESIDUE IN THE WATER THAT COULD CAUSE DAMAGE FOR HUSQVARNA PRESSURE WASHERS SUITABLE FOR MODELS PW235 , PW450 , PW235R , PW350 , PW360 , PW125 , PW345C , PW460 MODEL WF300 TECHNICAL SPECIFICATIONS CONNECTION PITCH 3/4 CODE: WF300 ORIGINAL PART NUMBER: 590 65 93 -01 5906593 01 590 6593 01 590 65 93 01 SR