PMF: 500 psi valve, 4.5" wide Head, Internal Spray, Stainless steel with site window Site widow lets you know when the fabric is clean or if your jet needs service. Please note the tool is sold tool only with no brass QD. Please purchase a male or female QD that mates to your machine. Operates best between 200 and 500 psi. The NO-DRIP Detailer has the jet inside the vacuum chamber. The only true no overspray tool! And with the jet set-up inside the vacuum head, you get even MORE access into those small tight areas that are totally impossible for the other tools. • All stainless steel including nuts and bolts • One piece stainless steel jet and stainless steel solution line No rusting EVER! • 1' whip on high pressure Optional: