Waterite Big Blue 20" x 4.5" Clear Filter Housing Kit – HL201CLUR-KIT | 1" NPT | Fits Standard BB Cartridges

Waterite Big Blue 4.5" OD Water Filter Housing Kit with Clear Filter Sump – HL201CLUR-KIT

Powerful Whole-House Filtration Made Easy

Take control of your home's water quality with the Waterite Big Blue 20" Filter Housing Kit. Designed for high-flow residential and light commercial systems, this complete kit delivers reliable, easy-to-install filtration with minimal pressure drop. Its clear, see-through sump allows you to monitor filter condition at a glance—no guesswork, no surprises. Built to house any 4.5" OD x 20" Big Blue (BB) water purification cartridge, it's the perfect choice for homeowners seeking cost-effective and durable water treatment. Ideal as a pre-treatment for ultraviolet (UV) disinfection or whole-home filtration for homes with peak flow rates over 10 GPM.

Key Features: Clean, Reliable, and Ready to Install

• Universal Big Blue Compatibility:
  Accepts all standard 4.5" OD x 20" BB cartridges, including sediment, carbon block, and specialty filters.

• Clear Sump Design:
  See filter condition in real-time for timely maintenance and peace of mind.

• 1" NPT Plumbing Connections:
  Female-threaded inlet and outlet ensure easy connection to standard plumbing systems.

• Pressure Relief Valve:
  Built-in button makes cartridge changes smooth and mess-free.

• Complete Installation Kit:
  Includes clear sump, black cap, powder-coated white steel mounting bracket, mounting screws, and housing wrench.

• Durable Polycarbonate Construction:
  Built to withstand the demands of residential and commercial use.

• High-Flow, Low Pressure Drop:
  Ideal for larger homes or small commercial setups that demand consistent water pressure.

Maintain Peak Filtration Performance

For optimal safety and clarity, replace clear plastic filter bowls every five years. Always date your new or replacement sump for easy future reference. This helps ensure continued water quality and housing integrity.