Water treatment systems are critical for ensuring clean, safe, and usable water in residential, commercial, and industrial applications. We provide a wide range of water treatment solutions in Kenya, including filtration systems, cartridge filters, water softeners, and scale prevention systems.
Our products are designed to remove impurities, improve water quality, and protect equipment from scaling and corrosion. These systems are ideal for borehole water treatment, industrial processes, and domestic water purification.
With a focus on efficiency and reliability, IndMart delivers cost-effective water treatment equipment in Nairobi and across Kenya. Whether you need complete filtration systems or replacement cartridges, we have the right solution for your needs.
The RO Housing End Cap Adapter is a precision component designed for 8040 RO membrane housings. It ensures a secure, leak-proof connection between the housing and RO system piping, providing smooth water flow and reliable performance.
Key Features
Compatible with 8040 RO Membrane Housings – Perfect for standard domestic and commercial RO systems.
Durable Construction – Made from high-quality, corrosion-resistant plastic for long-lasting performance.
Leak-Proof Design – Ensures secure sealing and reliable operation under pressure.
Easy Installation – Fits directly onto RO housing end caps for quick replacement or assembly.
Supports Standard RO Connections – Compatible with ¼ inch (6 mm) tubing and fittings.
Applications
Used in domestic and commercial RO systems for membrane housing replacement, maintenance, and system upgrades.
The 4021 RO Membrane is a 4″ × 21″ thin-film composite reverse osmosis element designed for commercial and light industrial water purification systems. It delivers high-quality purified water with excellent salt rejection efficiency and stable performance. Suitable for brackish and borewell water applications, and compatible with standard 4″ membrane housings.
Key Features:
High salt rejection (up to 98–99%)
Consistent permeate flow output
Long service life with proper pre-treatment
Fits standard 4″ × 21″ RO membrane housings
Applications: Commercial RO plants, drinking water units, industrial water treatment, hotels, schools, and bottling units.
A durable, lightweight FRP (Fibre Reinforced Plastic) pressure vessel designed to hold two 4040 RO membrane elements in series. Ideal for medium-capacity commercial and industrial RO systems requiring efficient performance and long service life.
Key Features
2-Element Configuration Accommodates two 4040 RO membranes for higher output and improved system efficiency.
FRP Body (Fibre Reinforced Plastic) Corrosion-resistant, lightweight, and designed for high-pressure RO operation.
Smooth Internal Finish Reduces pressure drop and protects membrane elements.
High Pressure Rating Suitable for commercial and industrial RO plant requirements.
End-Port / Side-Port Variants (depending on model)
Easy Installation & Low Maintenance
Benefits
Lightweight and easy to handle
Cost-effective compared to stainless steel housings
Long-lasting with excellent chemical resistance
Leak-proof performance with secure end caps/clamps
Compatible with all major 4040 membrane brands (DOW, Toray, Hydranautics, Vontron, etc.)
Applications
5000–10,000 LPH RO Plants
Industrial & commercial RO systems
Water filtration and purification setups
Multi-stage RO configurations
Pretreatment and high-pressure water treatment systems
A high-strength stainless steel pressure vessel designed to hold two 4040 RO membrane elements in series. Ideal for medium to large commercial and industrial RO plants requiring high output, durability, and reliable pressure handling.
Key Features
2-Element Design Holds two 4040 membranes, increasing output and efficiency.
Premium Stainless Steel (SS304/SS316) Corrosion-resistant, hygienic, and built for long-term durability.
High Pressure Rating Suitable for heavy-duty commercial RO operating pressures.
Precision Engineered Body Seamless welding, polished finish, and smooth interiors for optimal flow.
Leak-Proof End Caps & Clamps Secure sealing ensures safe and stable performance.
Easy Installation Standard mounting options; compatible with all major RO membrane brands.
Benefits
Higher production capacity due to 2-element configuration
Superior strength compared to FRP vessels
Resistant to chemicals, scaling, and harsh water conditions
Alkaline++ RO Membrane Cleaner is a powerful caustic soda–based alkaline cleaning chemical formulated to remove organic fouling, oils, greases, biofilm, and colloidal contaminants from RO, UF, and NF membranes. It penetrates and dissolves stubborn organic residues that restrict water flow, helping restore membrane efficiency, improve permeate quality, and extend membrane life.
Specially designed for commercial and industrial RO plants, this cleaner works effectively at both low and high pH ranges, ensuring maximum cleaning performance without damaging membrane elements.
Citric Acid Membrane Cleaner is a high-purity, food-grade acidic cleaning chemical specially formulated to remove inorganic scale, including calcium carbonate, metal oxides, iron deposits, and other mineral fouling from RO, UF, and NF membranes. It helps restore membrane performance, improve permeate flow, and extend membrane life without causing damage to sensitive elements.
Ideal for RO plants, industrial water systems, and commercial purification setups, this cleaner is safe, effective, and easy to handle.
Key Features
High-purity Citric Acid powder/granules
Removes metal oxides, iron fouling, and carbonate scale
Compatible with RO, NF, and UF membranes
Non-corrosive and safe for standard membrane materials
Helps improve permeate flow and recovery rate
Effective in both low- and high-pressure RO systems
A durable and high-pressure FRP membrane vessel designed to hold one 4021 RO membrane element. Ideal for commercial RO systems, industrial filtration, and water purification setups requiring reliable pressure handling and long service life.
Key Features
Compatible with 4021 RO Membranes (4″ x 21″)
FRP Construction – Strong, corrosion-resistant, lightweight
High Pressure Rating – Suitable for commercial RO pressure requirements
End-Port / Side-Port Options (depending on model)
Long Service Life – Smooth internal finish reduces pressure drop and protects the membrane
Easy Installation & Maintenance
Applications
Commercial and industrial RO systems
Water purification units
Pretreatment and filtration systems requiring 4″ membrane vessels
Advantages
Leak-proof performance
Chemical-resistant body
Compatible with all standard 4021 membrane brands (DOW, Toray, Hydranautics, etc.)
A high-strength FRP pressure vessel designed to hold one 4040 RO membrane. Built for commercial and industrial RO systems, this housing delivers reliable performance under high pressure while ensuring long membrane life.
Key Features
Fits 4040 RO Membranes (4″ x 40″)
Durable FRP Body – Lightweight, corrosion-resistant, long-lasting
High Pressure Rating – Suitable for commercial RO operating pressures
End-Port / Side-Port Variants (depending on model)
A premium-grade stainless steel membrane vessel designed for one 4040 RO membrane element. Built for high-pressure performance, durability, and long life in commercial and industrial RO systems.
Key Features
Stainless Steel Construction (SS304/SS316) Strong, corrosion-resistant body ideal for harsh water conditions.
Single Element Design – Fits all standard 4040 RO membranes
High Pressure Rating – Suitable for commercial RO operating pressures
RO MEMBRANE HOUSING 8040 END PORT (1,2,4 & 5 Element)
The RO Membrane Housing 8040 End Port is a durable, high-pressure vessel designed to hold standard 8″ × 40″ reverse osmosis membranes. With end-port connections, it allows simple, straight-through piping for easy installation and maintenance. Available in configurations for 1, 2, 4, and 5 membrane elements, this housing is ideal for commercial and industrial water purification systems.
Key Features:
Designed for 8040 (8″ × 40″) RO membranes
End-port connection for easy inline piping
Available in 1, 2, 4 & 5 element configurations
Constructed from FRP or stainless steel for strength and corrosion resistance
Supports high-pressure, continuous RO operation
Pressure Rating (PSI):
Standard operating pressure: 300 PSI
Other available options: 150 PSI, 450 PSI, 600 PSI, 1000 PSI+ (model dependent)
Product Description: The RO Membrane Housing 8040 Side Port is a high-pressure vessel designed to hold standard 8″ × 40″ reverse osmosis membranes. It provides a safe and leak-proof enclosure for RO membranes, allowing efficient separation of dissolved salts, chemicals, and impurities from water. The side-port design enables easy installation and maintenance, making it ideal for industrial and commercial RO systems.
Key Features:
Suitable for 8040 RO membranes (8″ × 40″)
Side port inlet and outlet for convenient piping
Made from FRP or Stainless Steel for corrosion resistance
Durable construction for continuous operation
Used in industrial, commercial, and water treatment plants
Pressure Rating (PSI):
Standard operating pressure: 300 PSI
Other options available: 150 PSI, 450 PSI, 600 PSI, 1000 PSI (depending on model)
The 25 LPH Commercial RO Water Purifier is designed for shops, offices, hotels, schools, small industries, and drinking water supply points where continuous purified water is required. It efficiently removes TDS, hardness, chemicals, bacteria, and dissolved impurities, delivering safe and great-tasting drinking water.
This system operates automatically and is built using high-quality RO membrane, pre-filters, and food-grade tubing, ensuring long service life and reliable performance.
Key Features:
Purification Capacity: 25 Liters per Hour
Removes TDS, hardness, chlorine, heavy metals, and microbial contaminants
Includes RO Membrane, Sediment Filter, Carbon Filter, and Pump
Automatic ON/OFF Control with storage option (if required)
Low maintenance and energy efficient
Designed for continuous daily usage
FIVE STAGES
STAGE 1 – PP (SEDIMENT FILTER) / UF
STAGE 2 – PP
STAGE 3 – PRE CARBON FILTER
STAGE 4 – RO MEMBRANE
STAGE 5 – MINERAL CARTRIDGES
The 50 LPH Commercial RO Water Purifier is designed for locations that require a steady supply of purified drinking water throughout the day. It effectively reduces TDS, hardness, chemicals, heavy metals, and microbial impurities, ensuring clean, safe, and great-tasting water. Built with high-quality filtration components, it delivers reliable performance and long service life with minimal maintenance.
Key Features:
Purification Capacity: 50 Liters per Hour
Multi-stage purification including Sediment, Carbon, RO Membrane & Post-Filter
Removes TDS, chlorine, odor, hardness, and dissolved impurities
Food-grade components for safe and hygienic water
Automatic operation with auto cut-off
Compact & durable system suitable for continuous use
Saddle and Strap for Membrane Housing 4040 Fibre glass
Product Description: The Saddle and Strap for Membrane Housing 4040 Fibreglass is a secure mounting accessory designed to support and stabilize 4040 fibreglass RO membrane housings. It ensures safe and sturdy installation of the membrane vessel on walls, frames, or skid systems, preventing movement and vibration during operation.
Key Features:
Designed for 4040 fibreglass RO membrane housings
Heavy-duty saddle and strap for strong support
Made from durable materials for long service life
Protects membrane housing from stress and vibration
This is a 10-inch Scale Inhibitor Cartridge designed for domestic and commercial RO systems to prevent scale formation caused by hardness minerals like calcium and magnesium. It releases a controlled amount of food-grade polyphosphate into the water, which binds with hardness ions and prevents scale deposits on RO membranes, UV chambers, heaters, pipelines, and faucets.
Key Features:
Prevents scaling and mineral deposits
Extends RO membrane and filter life
Improves system efficiency and water flow
Food-grade anti-scalant media
Fits standard 10” filter housings
Low maintenance and easy replacement
Applications: Suitable for Domestic RO Systems, Commercial Water Purifiers, Coffee Machines, Boilers, Geysers, and Industrial Water Feed Lines
This is a Scale Inhibitor Cartridge commonly used in domestic RO water purifiers to prevent scale formation on the RO membrane. It slowly releases food-grade anti-scalant media into the feed water, which helps to reduce mineral deposits (calcium, magnesium) and extends RO membrane life.
Key Features:
Prevents scale buildup inside RO membrane
Enhances membrane efficiency and lifespan
Made from safe, food-grade anti-scalant media
Easy to install and replace
Suitable for domestic RO & under-sink water purifiers
Working: The cartridge dissolves gradually and releases anti-scalant into the water line, preventing hardness minerals from bonding and forming scale on the RO membrane surface.
Application: Used in RO Water Purifiers (Domestic Models).
The Nylon Screen Filter is a reusable, high-strength filtration cartridge designed for removing sand, silt, rust, scale particles, dust, and suspended solids from water. Its durable nylon mesh screen provides long life, easy cleaning, and consistent filtration performance. Commonly used in pre-filtration stages for RO systems, domestic water filters, industrial applications, agriculture, and sediment protection.
Key Features
High-Quality Nylon Mesh – Strong, washable, and long-lasting.
The 2″ Screen Filter is a durable and efficient filtration solution designed for agricultural irrigation, industrial water systems, and commercial RO pretreatment lines. It effectively removes sand, silt, and suspended particles to protect pumps, pipelines, sprinklers, and drip systems.
Key Features
High-quality screen element for reliable particle filtration
2″ inlet/outlet for high flow-rate systems
Easy-to-open design for quick cleaning and maintenance
Corrosion-resistant body suitable for outdoor and industrial use
Ideal for drip irrigation, sprinklers, borewell systems, and RO pre-filtration