It attaches to the outlet area of the sprayer

The 24V241 PTFE/EPDM Overmolded Diaphragm Kit from Graco that include:

SWIVEL - Machined from solid brass 90◦ full-flow NPT swivel for simple seal maintenance and fast and easy hose installation

Sets up in less than 5 minutes and cleans up in less than 10 minutes

only for the newest sprayers coming out in mid 2014

Graco 249127 Endurance Pump Lower sandblast cabinet It attaches to the outletGraco Genuine OEM part 249127 Endurance Pump Lower. Fits older model Graco Sprayers: 390 & FinishPro 390. Always check your owners manual for required part number. This GRACO Endurance Lower Pump Assembly ONLY fits: Graco 390 Series A (Model 248800, 248802, 248804, 248806, 248808, 248810, 826055) Nova 390, Series A