Plumbeeze Giant Filter Complete Kits are great for a wide range of applications including water wells, drip irrigation, restaurants, whole house, R.O. systems, institutions, spas & hot tubs, agriculture, food preparation, industrial / commercial, milling machines, greenhouses, vending machines, plating, and EDM machines (water based). The kits include filter head with pressure relief button, bowl, filter wrench, mounting bracket & hardware, replacement o-ring, and filter.