20FHB Filter Housing – 20″ × 4.5″ (Blue)

Pentek 20″ x 4.5″ Filter Housing – 1″ BSP Ports

The Pentek Big Blue Heavy Duty 20″ x 4.5″ Filter Housing is designed for high-flow residential, rural, commercial and industrial water filtration applications. Ideal for whole house systems, rainwater tanks, pumps and other installations where maximum flow and longer filter life are required.

Compatible with standard 20″ x 4.5″  Big Blue style filter cartridges, this heavy-duty housing allows the use of larger capacity filters compared to standard housings, reducing maintenance and extending cartridge service life.

Featuring durable polypropylene construction and an integrated pressure relief button, this housing is built for reliable long-term performance in demanding applications.

WaterMark Certified – Certificate No. 040251

Features

• Suits standard 20″ x 4.5″ filter cartridges
• 1″ Female BSP inlet and outlet ports
• High flow design – up to 170 LPM*
• Heavy-duty polypropylene housing construction
• Built-in pressure relief button
• Suitable for whole house, tank, pump and commercial filtration systems
• Longer cartridge life due to larger filter capacity
• Made in USA
• Wide range of compatible replacement cartridges available

*Flow rates depend on cartridge type, water pressure and pipe sizing.