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Quick Change | 5 Stage Reverse Osmosis | 6 Month Water Filter Cartridge Replacement Pack (1-11EQ5-6M)

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Quick Overview
  • 6 Month Filter Pack for GT1-LSRO-EQ5AN Quick Change RO System
4 Interest Free Payments of $20.75

Quick Change | 5 Stage Reverse Osmosis | 6 Month Water Filter Cartridge Replacement Pack (1-11EQ5-6M)

  • Stage 1- 1x 1uM Dirt Sediment Filter (ST-01)
  • Stage 2- 1x GAC Filter (ST-33) 

Stage 1: The 1 Micron Sediment Cartridge (2-46-1 ST-01) (Replace Every 6 Months)

The first stage is a 1 Micron (uM) Sediment filter composed of 100% melt-blown polypropylene fibre. This cartridge helps to help protect the carbon pre-filters and reverse osmosis membrane from physical damage caused by particulate matter such as sand, dirt, silt, plant spores, and pollen. Physical contaminants such as these (which can surprisingly be found in most municipal water supplies), tend to clog up filter system components causing reduced water flow, lower osmotic pressure, diminished filtration efficiency, and ultimately, inferior water quality. Changing this filter every 6 months is vital!

Stage 2: The Granular Activated Carbon (GAC) Pre-Filter Cartridge (4-55-GAC ST-33) (Replace Every 6 Months)

The second stage is a high-grade granular activated carbon pre-filter. This type of loosely-packed carbon enables a high level of water flow through the system, whilst "taking the first hit" to absorb harmful organic chemicals and contaminants. Keeping up with regular maintenance of this pre-filter (changing it every 6 months) helps to extend the life of all filters that come after it, including the reverse osmosis membrane.

Optional Add On (For RO/DI Systems Only):

Stage 5: The Mixed Bed Deionising Resin (DI) Water Filter Cartridge For Demineralised Water, Low EC, Max Total Dissolved Solids (TDS) Reduction (GT4-55-DI)

Creates RO/DI water for Dental, Medical, Cosmetic, Gardening, Hydroponic, Aquaponic, Aquarium & Brewing applications & not recommended for drinking without remineralisation. Depending on how much water you use, you may wish to change this cartridge on a 6-monthly basis. The final stage features a Virgin Mixed Bed Deionising Resin, composed of highly purified acid cation and base anion resin that creates a higher level of purity than using RO filtration alone. Note that the higher the TDS of the incoming feedwater, the higher the residual percentage of TDS that will be left post-filtration by the RO. Thus, the purpose of the DI filter is to "polish" the water and pick up any residual TDS (salts) left. This cartridge produces consistent results where the highest quality of pure water is required, with minimum ionic and non-ionic contamination. 

Return Policy

Due to the nature of the products we sell, a strict return policy is in place. We work with food grade certified materials that must be un-opened and un-used as to be able to be re-sold.

You may receive a refund or credit of equal amount, less the restocking fee if applicable and any other deductions that are relevant. 

  • Wrongly purchased items may be returned for a merchandise credit, this applies for but not limited to: Wrong size, wrong system etc.
  • 30 Day return Policy:  Returns will not be accepted without prior approval or after 30 days of invoice date.
  • All returns will incur a 17.5% restocking fee or cost to send the item to you whichever greater. FSA may use discretion to determine the restocking fee.
  • Any damages (minor, that can be repaired) will incur a fee which will be deducted from the total refund which will be equal to the cost of the replacement 
    parts (List Price) and labour charge (if applicable) to repair the system(s). This will be separate to the restocking fee.
  • Any damage considered to be major and not feasible for repair may be refused and the return request will be void. The customer will be responsible for the return freight or disposal of the damaged unit.
  • Return shipping is to be paid by the buyer to the address provided. It is recommended that the customer applies transit warranty to the return freight in case of damage.
  • Any damages to the system that were not reported to FSA within 48 business hours of receipted delivery are not covered under our transit warranty.


  • Should the item appear faulty or doesn’t work how described, the unit/item must be returned for testing (if requested), the return postage paid by the buyer. If the unit/item is deemed to be faulty, compensation will be provided for the postage cost (Proof of cost required). If the unit/item is deemed to be in working order and as described, the buyer will responsible for return postage. 


If you have any questions about our return policy, please contact us before purchase. This will also help to ensure you purchase the correct product that suits your requirements.