Included in Kit:1 – 4 Column Modular Redball Monitor4 – Red Glass Balls4 – Red Plastic Balls4 – Green Plastic Balls4 – Steel Balls4 – Black Plastic Balls4 – Stainless Steel Balls1 – Cap Plug4 – 90 Degree 3/8 Inch Hose Barbs1 – 90 Degree 3/4″ Hose Barb for Inlet9 – O-Rings9 – U-Pin Connectors4 – Float Stops