About Us

About Us

A Legacy of Absolute Purity

A.S. Purifier Facility

Established

Corporate Profile

Engineered for
Absolute Purity.

A.S. Purifier is a specialized water treatment and filtration service provider operating out of Barisha, Kolkata. Jointly directed by Avijit Halder and Abhiroop Singharay, the company's operational mandate is to deliver verifiable water safety to both residential homes and commercial enterprises.

We do not rely on industry hyperbole. Our business is built on strict technical execution. We address regional water challenges—specifically heavy iron concentration and high TDS levels—through authorized hardware, calibrated media, and consistent maintenance schedules.

Headquartered in Kolkata, West Bengal
Verified Sales, Installations & AMC Contracts
Our Foundation

Directed by Technical Expertise.

Portrait of Avijit Halder
Owner & Principal Founder

Avijit Halder

As the principal architect of A.S. Purifier, Avijit established the company on January 7th, 2019. He oversees all core technical operations, mechanical installations, and customer relations, ensuring every domestic and industrial setup meets strict performance benchmarks.

Our Mission.

To engineer, install, and maintain water purification systems that are specifically calibrated for West Bengal's unique groundwater profile. We aim to protect residential and industrial health through verifiable mechanical filtration, strict maintenance protocols, and the exclusive use of authentic hardware.

Our Vision.

To establish A.S. Purifier as the definitive benchmark for technical transparency in Kolkata's water treatment industry. We envision a service ecosystem where customers never have to second-guess the quality of their replacement parts, the validity of their invoices, or the safety of their drinking water.

Our Core Pillars

Plant Installation

Precision fitting of commercial RO plants and dual FRP vessels to ensure seamless plumbing integration and maximum flow rate.

System Overhaul

Expert restoration of compromised filtration mechanisms, utilizing genuine internal components to return your purification systems to original specifications.

Water Quality Testing

Comprehensive TDS, pH, and iron level diagnostics designed to accurately calibrate your exact filtration and membrane requirements.

Membrane Replacement

Flawless replication and replacement of RO, UV, and UF membranes using precision technology to guarantee immediate, hygienic operation.

Domestic Servicing

Routine maintenance, deep cleaning, and standard cartridge changes for residential wall-mounted units ensuring safe drinking water.

Iron Removal Plants

A comprehensive inventory of specialized filtration media and setups engineered specifically to combat heavy iron and manganese contamination.

Geographic Map of West Bengal highlighting service regions
Regional Optimization

Engineered for West Bengal's Water Profile.

Standard out-of-the-box purifiers frequently fail against the volatile groundwater conditions of Kolkata. We specifically calibrate our FRP plants and RO membranes to counteract heavy iron scaling, silt density, and industrial municipal runoff unique to this region.

Zero Generic Solutions.

Growth At A Glance

  • A.S. Purifier was founded on January 7th, 2019, establishing a dedicated water purification service hub in Barisha, Kolkata.

  • Expanded technical capabilities from domestic RO servicing to enterprise-scale industrial FRP and iron removal plant installations.

  • Maintained an unwavering commitment to transparent, invoice-backed maintenance contracts, eliminating hidden costs for consumers.

  • Operating today as a trusted technical authority in Kolkata, utilizing only certified filtration media and authorized hardware components.

The A.S. Purifier Promise

Factual Service Guarantees.

Rapid Dispatch Window

Water emergencies cannot wait. We maintain strict logistical protocols to ensure prompt technician dispatch across Kolkata for urgent RO and FRP plant repairs.

Zero-Counterfeit Policy

We procure RO membranes, carbon media, and spare parts directly from authorized manufacturing channels. Every component installed is verifiable and genuine.

Predictable Costing

Diagnostic reports and cost estimates are provided before any wrench is turned. Our AMC contracts operate strictly on official invoices with zero hidden technical fees.

Measurable Impact

7+ Years

OF ESTABLISHED LEGACY

Operating continuously since January 2019, delivering reliable security against water contamination.

2 Divisions

DOMESTIC & INDUSTRIAL

Bridging precision residential RO repair with heavy-duty enterprise iron filtration deployment.

100%

AUTHORIZED HARDWARE

A flawless operational record of sourcing and installing only genuine, factory-grade components.

Zero

COMPROMISE TOLERANCE

Strict adherence to verifiable TDS drops, proper pH balancing, and hygienic flow rates.

SECURE YOUR PEACE OF MIND

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