Graco Adapter nipple for suction tube. Connects onto the bottom of the lower for the pick up tube with Quick Knock off fitting to attach to. Connects pickup hose to pump lower inlet. Polymer sealing seat has exceptional chemical and solvent resistance. BlastOne supplies Graco King Airless Pumps & 2K Paint Pumps. Airless Spray Guns, Airless Paint Spray Hose & Graco Airless Tips are available from BlastOne offices near you. Too busy to do your own maintenance? Talk to your are manger about our service offerings.