Stefani Whole of House Anti-Scale Water Softening Resin Replacement Filter Cartridge WHF4R-20

SKU: WHF4R-20
$159
4 payments of $39.75 with
Own it from $10 per week with Zip Pay
  • Free Delivery Available

    Your delivery location

    Sydney   NSW 2000
  • Free removal and recycling of Old Disconnected Appliances*
The Stefani WHF4R-20 whole house replacement water filter cartridge is designed to help manage hard water scale while filtering common sediment throughout the home. Suitable for standard 4.5" x 20" Big Blue housings, it provides a practical replacement option for compatible whole-house filtration systems.

Using water softening resin, the cartridge helps reduce hardness minerals including calcium and magnesium. By reducing these minerals, it helps minimise scale formation in household plumbing, hot water systems, taps and appliances. This makes the Stefani WHF4R-20 whole house replacement water filter cartridge particularly useful for homes where hard water and scale build-up are ongoing concerns.

Alongside its anti-scale performance, the 20-micron filter helps capture sediment including dirt, rust, sand and silt. This combination of sediment filtration and water softening resin provides broader protection for household water systems without unnecessarily restricting water flow.

Reducing scale can help protect pipes, fixtures and water-using appliances from the effects of mineral build-up. For households with a compatible whole house water filter system, regular cartridge replacement also helps maintain effective filtration and consistent performance.

The cartridge is independently WaterMark certified and designed for use within compliant filtration systems. Its 4.5" x 20" format makes it suitable for standard Big Blue filter housings, providing straightforward compatibility when replacing an existing cartridge of the appropriate type and size.

Combining 20-micron sediment filtration with anti-scale water softening resin, the Stefani WHF4R-20 whole house replacement water filter cartridge offers a convenient way to help protect plumbing, fixtures and appliances from sediment and hard water scale.

Specifications & Manuals

Key Specifications
Model Number
WHF4R-20
Finish Colour
Blue
Warranty
Manufacturer Warranty
2 Years
Other Features
Features
  • Whole-House Filtration: Designed for compatible whole-of-house systems to help manage sediment and hard water scale throughout the home.
  • Anti-Scale Resin: Water softening resin helps reduce calcium and magnesium, minimising the minerals responsible for common hard water scale.
  • 20-Micron Filtration: Captures common sediment including dirt, rust, sand and silt while supporting strong household water flow.
  • Plumbing Protection: Helps reduce scale build-up in pipes and fixtures for improved protection across the household water system.
  • Appliance Protection: Reduced mineral scale helps protect hot water systems and compatible water-using household appliances from unwanted build-up.
  • Big Blue Compatible: The 4.5" x 20" cartridge format is suitable for standard Big Blue filter housings of the corresponding size.
  • Dual-Purpose Cartridge: Combines sediment filtration with water softening resin for convenient filtration and anti-scale performance in one cartridge.
  • WaterMark Certified: Independently certified for use within compliant Australian plumbing and water filtration installations.
  • Practical Replacement: Provides a straightforward replacement solution for compatible whole house filtration systems requiring a 4.5" x 20" anti-scale cartridge.
Other
EAN
9319652020108

Compare to similar items

Stefani Whole of House Anti-Scale Water Softening Resin Replacement Filter Cartridge WHF4R-20
$159

Companion Products

Stefani Ultimate Caravan Water Filtration System CRV2
Yet to be reviewed
$105.99
Quick view
Stefani 3 Way Filter Mixer Tap Chrome 3WT-CHLF
Yet to be reviewed
$254
Quick view
Stefani Single Stage Undersink Water Filtration System UCFA-01-LF
Yet to be reviewed
$125
Quick view
Stefani Twin Stage Undersink Water Filtration System UCFA-02-LF
Yet to be reviewed
$159
Quick view

Free Delivery

As an extra service to our customers, we can provide free delivery Monday to Friday with metropolitan and other selected areas, subject to reasonable access.

We Remove & Recycle

Upon delivery, we can remove your old like-for-like appliance and any product packaging for responsible recycling.

We Connect

At Winning Appliances we can connect most new refrigerators and/or washing machines to existing, compatible plumbing and electrical connections at the time of delivery.

Winning Value Promise

We strive to set competitive prices for our products. However, if you find a competitor offering a better price for the same individual product, sold with the same delivery and installation terms, we’ll lower our price to match it.