Land & Water 20" x 4.5" 3-Stage Water Filter Replacement Standard Kit

Restore the performance of your whole house filtration system with the Land & Water 3-Stage Standard Replacement Kit. Designed for use with any 20" x 4.5" Big Blue housings, this kit provides effective, high-flow water filtration for homes on town, rain, or bore water where scale is not a major concern.

Ideal for general-purpose water treatment, this kit targets common water quality issues such as sediment, chlorine, odour, and discolouration—ensuring cleaner water at every outlet while protecting your plumbing and appliances from clogging and corrosion.

With two high-capacity carbon block cartridges paired with a grooved sediment pre-filter, this setup delivers excellent flow performance, reduced chemical exposure, and extended filter life—making it one of the most economical and reliable filtration solutions available.

WHATS INCLUDED

• Stage 1 – 5 Micron Grooved Polyspun Sediment Filter
  Captures large and fine sediment including sand, silt, rust, and debris. Grooved surface design offers up to 80% more surface area for increased dirt-holding capacity and improved service life.
• Stage 2 – 5 Micron Carbon Block Filter Cartridge
  Made from high-quality food-grade activated carbon, this moulded block reduces chlorine, taste, odour, and organic chemicals. Optimised radial flow design maintains strong pressure with effective adsorption.
• Stage 3 – 5 Micron Carbon Block Filter Cartridge
  A second carbon block stage offers added chlorine reduction, extended protection for your household plumbing, and polishing of the water for improved taste and clarity.

BENEFITS

• Complete 3-stage replacement kit for standard chlorine-based filtration
• Compatible with all 20" x 4.5" Big Blue housings
• Food-grade materials with no binders or adhesives
• Great for mains, rainwater, or bore water without heavy scale
• Each cartridge is individually sealed for hygiene and long shelf life

Recommended Replacement: Every 6–12 months depending on water quality and flow demand.