100% Authentic Hardware
We completely reject aftermarket compromises. Every membrane, pump, and filter cartridge deployed is factory-certified for exact specification matching.
Pure Engineering. Absolute Hydration.
Industrial FRP & Domestic RO Plants
Enterprise Engineering
Pure Water Architecture for
Homes and Industries.
Established on January 7th, 2019, A.S. Purifier engineers and installs customized water treatment setups across Kolkata. From heavy-duty industrial fiberglass reinforced plastic (FRP) iron filtration cylinders to domestic wall-mounted RO systems, we enforce absolute purity benchmarks.
Every unit is calibrated to handle regional groundwater hardness, heavy iron contamination, and microbial factors delivering balanced, healthy water to residential complexes, commercial kitchens, and manufacturing sites.
- Commercial & Industrial RO Plants
- High-Capacity FRP Iron Removal Vessels
- Domestic Water Purifier Sales & Installation
- Filter Cartridge Replacement & Doorstep Servicing
Non-Negotiable Standards.
Our reputation is built on mechanical reality, not marketing claims. These are the three factual principles governing every A.S. Purifier deployment.
Invoice-Backed Transparency
Billing is strictly tied to documented labor and part costs. There are zero unverified fees or hidden charges applied to our service contracts.
Scientific Calibration
Installation parameters are not guessed. They are dictated entirely by on-site water quality testing, factoring in local TDS and iron density.
Operational Standards at a Glance
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Years of engineering pure water solutions since January 2019.
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Effective removal of iron, heavy metals, TDS, and pathogens.
0 HRS
Prompt on-site doorstep diagnostics and replacement services.
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Fully food-grade certified vessels, membranes, and valves.
Verified Performance Feedback
"Installed the dual blue FRP vessel water plant for our packaging unit. Iron staining and scaling problems disappeared completely. Excellent installation quality."
"Our apartment building relied on A.S. Purifier for central sediment and iron filtration. Consistent flow rates and highly transparent service contracts."
"Clean aesthetic installation of the wall-mounted RO unit in our kitchen. The TDS balance is spot-on and their doorstep filter replacement turnaround is rapid."