Twin Cartridge Pentair 20″ x 4.5″ Whole House Rainwater Filtration System



Product Info

Product Description

Twin Cartridge Pentair 20″ X 4.5″ Whole House Rainwater Filtration System

Twin Pentek 20″ x 4.5″ Whole House Rainwater Filter Systems remove unwanted sediment through a 10- micron polyester pleated cartridge, followed by a 5-micron poly spun cartridge to remove finer sediment particles. Watermark approved.

  • High Quality USA made filter housings
  • Pressure relief buttons
  • Stainless steel, powder coated mounting bracket


Quality Pentair 20-inch Big Blue twin housing kits are made in USA. Ideal for houses with four or more people, with two or more bathrooms. Used for whole-of-house water treatment, they are fitted a 10-micron polyester pleated sediment filter cartridge to remove large dirt particles and a 5-micron polyester spun cartridge to remove finer silt particles.

Specifications Inlet/Outlet 1 inch (25mm) BSP Flow Rate 20-90 litres per minute Pressure Maximum 600 kpa Minimum 300 kpa.


  • Twin 20″ x 4.5″ Pentair Big Blue Filter Housings. Dimensions: 680mmH x 390mmW x 225mmD
  • Black powder coated stainless steel twin mounting bracket
  • 8 x housing screws with washers
  • Opening handle
  • 20″ x 4.5″ 10-micron polyester pleated filter cartridge
  • 20″ x 4.5″ 5-micron polyester spun filter cartridge

Additional information

Weight 14.5 kg
Dimensions 67 × 41 × 20 cm