The Neo-Pure Big Bubba Depth Cartridge replacement meets or exceeds Watt's BBC-150-D1 performance standards. A high efficiency 1 Micron Melt Blown filter cartridge compatible with the Big Bubba BBH-150 housing. Features: Micron Rating: 1 µm Length: 26.25" (66.7 cm) Quantity per case: 1 Flow Rate: 100 GPM Initial Pressure Drop: 40 PSID Temperature Rating: 175° F Change Frequency: 12 Months or as needed End Cap Material: Polypropylene Filter Media: Thermally bonded polypropylene Gaskets: EPDM Easy Installation. All of Neo-Pure Jumbo cartridges are quick and easy to change. It requires just three simple steps: Steps for Installation: Remove swing bolts Remove lid. Rotate cartridge 1/4 turn and pull-up Typical Applications: Whole house filtration Commercial filtration Industrial filtration Pre-filtration for RO equipment Community water systems Enhanced Durability: Constructed with thermally bonded polypropylene filter media and EPDM gaskets, ensuring longevity and reliability in various applications including whole house and industrial filtration systems.