This is is the new Replacement Cap for all EZ-FLO models 2017 and newer. Plus it retro-fits more recent models, post 2005, listed below:

• EZ001-CX - 1.5 Gallon Main-line Dispensing System
• EZ003-CX - 2.5 Gallon Main-line Dispensing System
• EZ 2005-HB - 3/4 Gallon Hose End EZ-Flo Fertilizing System
• EZ 2020-HB - 2 Gallon Hose End EZ-Flo Fertilizing System
• EZ 1010-HB - 1 Gallon EZ-Flo Hose End High Pressure System