Air Venturi MK5 Kit by Hill Hand Pump, Up to 4500 PSI New design requires less effort than previous design 3-stage pump Up to 4500 PSI/310 BAR Field-strip in 5 minutes for maintenance Included Dry-Pac system removes 90% of harmful moisture New color changing media for the Dry Pac (color changing moisture saturation indicator beads) Includes female quick-disconnect fitting Includes 17.5" hose Nickel plated finish offers enhanced wear and moisture resistance Manufactured in England Some assembly required Each unit 100% tested by Hill before packaging and shipping 5-year limited warranty