Kärcher Home & Garden Waterpumps & Accessories Pump connector set 617303 - Karcher 6.997-359.0, The Kärcher Home & Garden 6.997-359.0 pump connector set includes a robust plastic connector with internal threads measuring 30.3 mm (1 inch) and 24.2 mm (3/4 inch). This set, identified by the code 04039784223264, features reliable construction suitable for connecting hoses or pipes in home and garden water systems. Typical applications include use in garden irrigation and water transfer solutions. Kärcher 6.997-359.0 Pump Connector Set for 3/4" & 1" Hoses Plastic