IK Multi 12BS Backpack Sprayer Service Kit 8.39.70.800 This kit contains the following items that will fit the Goizper IK 12BS Backpack sprayers 1 x 120 Viton Pump Seal 2 x 146 Strap Ring 1 x 859 Nozzle Assembly 2 x 119 Stainless Steel Ball 2 x 318 Belt Wedge 2 x 614 Lance Joint 'O' Ring 2 x 495 Split Pin