adapter converts typical spray guns into ones that work with the Paint Preparation System Specifically designed adapters, allows painters to use the with virtually any spray gun Threaded adapter is easy to install Nice and clean condition This product is intended for use in place of metal cups on most gravity cup guns. Setting up the gravity cup vs. standard is connecting the gravity hose from the cup port , or spray gun regulator. Package list 1set 160cc: 1pcs 160CCHard Cup 1pcs Black Retainer Ring 1pcs 160CC Disposable Inner Cup 1pcs Disposable Lids (with built-in 125 micron fluid strainers) Package list 1set 400cc: 1pcs 400CCHard Cup 1pcs Black Retainer Ring 1pcs 4000CC Disposable Inner Cup 1pcs Disposable Lids (with built-in 125 micron fluid strainers) Package list 1set 600cc: 1pcs 600CCHard Cup 1pcs Black Retainer Ring 1pcs 600CC Disposable Inner Cup 1pcs Disposable Lids (with built-in 125 micron fluid strainers) Package list 1set 800cc: 1pcs 800CCHard Cup 1pcs Black Retainer Ring 1pcs 800CC Disposable Inner Cup 1pcs Disposable Lids (with built-in 125 micron fluid strainers) Package list 10pcs 160cc: 1pcs 160CCHard Cup 1pcs Black Retainer Ring 10pcs 160CC Disposable Inner Cup 10pcs Disposable Lids (with built-in 125 micron fluid strainers) 4pcs Cup Sealing Plugs Package list 10pcs 400cc : 1pcs 400CCHard Cup 1pcs Black Retainer Ring 10pcs 400CC Disposable Inner Cup 10pcs Disposable Lids (with built-in 125 micron fluid strainers) 4pcs Cup Sealing Plugs Package list 10pcs 600cc : 1pcs 600CCHard Cup 1pcs Black Retainer Ring 10pcs 600CC Disposable Inner Cup 10pcs Disposable Lids (with built-in 125 micron fluid strainers) 4pcs Cup Sealing Plugs Package list 10pcs 800cc : 1pcs 800CCHard Cup 1pcs Black Retainer Ring 10pcs 800CC Disposable Inner Cup 10pcs Disposable Lids (with built-in 125 micron fluid strainers) 4pcs Cup Sealing Plugs