Classic Pure Post Carbon Water Filter for RO Plants
The Classic Pure post carbon water filter is an inline GAC (granular activated carbon) cartridge for domestic RO plants, made in Taiwan. It’s fitted after the RO membrane and gives the purified water a final taste polish before it reaches your glass. It’s rated for a 100 GPD flow, which suits standard domestic RO plants. Classic Pure is Axtron’s economical second brand, a lower-cost option for customers who want a post carbon stage at a smaller budget. You can buy it at our shops in Multan, Lahore and Bahawalpur, or order it with cash on delivery anywhere in Pakistan.
Classic Pure or Axtron Post Carbon?
We sell two post carbon cartridges so you can choose by budget:
| Classic Pure Post Carbon (this product) | Axtron Post Carbon T33 | |
|---|---|---|
| Brand | Classic Pure, Axtron’s second brand | Axtron |
| Made in | Taiwan | — |
| Grade | Economical | Top grade |
| Inside | GAC | Coconut GAC (as printed on label) |
| Change | Once a year at most | Once a year at most |
For the best grade, choose the Axtron Post Carbon T33. If price matters most, Classic Pure gives you a post carbon stage at a lower cost.
Pre Carbon and Post Carbon: Not the Same Job
RO plants use carbon in two places, and the cartridges can’t replace each other:
| Pre carbon (GAC and CTO) | Post carbon (this product) | |
|---|---|---|
| Position | Before the RO membrane | After the RO membrane |
| Shape | 10 inch cartridge in a housing | Inline cartridge in the water line |
| Job | Removes smell and protects the membrane | Final taste polish on purified water |
| Change | Every 3 months at most | Once a year at most |
Where It Fits
The post carbon is a post filter, so it always goes after the RO membrane, usually as the first post filter. It’s an inline cartridge that connects in the water line rather than sitting in a 10 inch housing.
The stages after the membrane are flexible and can be arranged to suit your water. The post carbon can be used alongside other post filters such as the Classic Pure mineral filter, nano silver or alkaline cartridge.
Specifications
| Brand | Classic Pure (ST) |
| Type | Inline post carbon (GAC) filter |
| Made in | Taiwan |
| Flow rate | 100 GPD |
| Position | After the RO membrane |
| Fits | Standard domestic RO plants |
| Replacement | Once a year at most |
When to Replace It
Like every cartridge after the RO membrane, the post carbon should be changed once a year at most. Once the carbon is used up, it stops polishing the taste, even though water still flows through it. Change it together with your other post filters and the membrane.
Your pre-filters need changing more often. From our field experience, change the PPF filter every 15–30 days and the GAC and CTO every 3 months at most.
Buy Classic Pure Post Carbon in Multan, Lahore and Bahawalpur
Compare the Classic Pure and Axtron post carbon cartridges side by side at any of our shops. Our head office is in Multan.
Multan (Head Office)
5FP4+CXF, Akbar Road, Tipu Sultan Colony, Multan 60000
0302-1635555 · 0300-4773040 · 061-4544442
Lahore
91-A Feroz Pur Road, Lahore
0304-8205829 · 042-37502222
Bahawalpur
Opposite Sadiq Public School, Ahmad Pur East Road, Bahawalpur
0302-7401250 · 062-2201005
Timings: Saturday to Thursday, 10:00 AM – 7:00 PM. Friday closed.
Email: info@axtronpakistan.com
In Multan, Lahore and Bahawalpur, our own technicians can fit it for you. In other cities, we can connect you with an independent local technician on WhatsApp, who quotes and collects the charges directly. We deliver across Pakistan with cash on delivery, and fitting videos are on our Facebook and Instagram pages. In Multan, visit our water filter shop in Multan. In Lahore, see RO plant in Lahore.
Frequently Asked Questions
What is the Classic Pure post carbon water filter?
An inline GAC post filter for domestic RO plants, made in Taiwan. It gives RO water a final taste polish after the membrane.
What is the difference between Classic Pure and Axtron post carbon?
Classic Pure is Axtron’s economical second brand, made in Taiwan. The Axtron T33 is the top grade. Both are inline post carbon filters, changed once a year at most.
What is the flow rate?
100 GPD, which suits standard domestic RO plants.
Is post carbon the same as the GAC and CTO filters?
No. GAC and CTO work before the membrane and need changing every 3 months at most. The post carbon works after the membrane and lasts up to a year.
Where can I buy a post carbon filter in Multan?
At the Axtron head office on Akbar Road, Tipu Sultan Colony, Multan, open Saturday to Thursday, 10 AM to 7 PM. Call 0302-1635555 to check stock.
Do you deliver to other cities?
Yes. We deliver across Pakistan with cash on delivery.
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