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Buyer's Guide


3M Purification Inc.

Giving your customers clean water that tastes great and is safer for their family is our goal at 3M Purification. To meet customer's water needs and improve home water quality, 3M has a full line of water softeners, drinking water filters and reverse osmosis drinking water systems. With... More

Applied Membranes, Inc

Manufactures AMI brand and private-label membrane elements, pressure vessels, RO, NF, UF, MF and EDI systems. Also blends proprietary membrane cleaning chemicals. Major stocking distributor of FILMTEC and other membranes. Largest stock of RO components for residential and commercial RO systems.... More

Aquathin Corp USA

Celebrating 35 Years of Pure Excellence! Aquathin has earned 7 Patents and manufactures water purification, softening and filtration systems servicing residential, commercial, laboratory markets. Established 1980, Aquathin produces over 70 proprietary and trademarked devices for markets around... More

Arrow Industries

Arrow Industries offers the most trusted brands at competitive prices for water treatment professionals. We offer same-day shipping for more than 2,000 items including filters, connectors, tanks, accessories, fittings, brackets, pumps, tools, tubing, and RO faucets. Arrow’s patented RO tanks... More

AXEON Water Technologies

For over two decades, AXEON Water Technologies has been a leading innovator in the manufacturing of membrane systems, elements, housings and chemicals. From professionally manufactured products to expert customer service, all of AXEON's products and services are accompanied with high quality... More

Carbon Block Technology

Leading manufacturer of solid carbon block filters and drinking water treatment units. Our innovative filters are available in many shapes and sizes and performance capabilities. Known for high quality and superior performance, Multipure and Carbon Block Tech (CB Tech) filters have been tested to... More
DuPage Water Conditioning

DuPage Water Conditioning

Internationally recognized OEM supplier of water treatment products. Distributes residential/commercial/ind. water softeners, dealkalizers, filters, reverse osmosis systems, components and parts. Engineers standard systems and will assemble systems to your specifications. Large inventory of... More


Low-cost, ultra-reliable fluid flow, liquid level switches and pump controllers have been Harwil’s specialty for over 50 years. NEW for 2015 Wireless Switches and Controllers.  We manufacture switches and controllers in brass, stainless steel, and engineered plastics for use with... More
HM Digital LOGO 200 2014

HM Digital, Inc

HM Digital is a leading manufacturer of professional water testing instruments that includes handheld meters, in-line monitors, controllers, sensors, calibration solutions and more. Our instruments test for EC, TDS, pH, ORP, temperature and volume. They are used in a variety of industries... More

Hydronamic Engineering Corp

Specializes in component parts for R.O. water treatment systems. Two styles of shut-off valves for systems up to 50gpd membrane; a wide variety of plastic, stainless, and brass check valves; flow restrictors in sizes ranging from 80 ml to 2 gpm; and other components designed for home water... More

Koflo Corp

Manufacturer of a complete line of static mixers, calibration columns, and injection quills for the water, wastewater, chemical processing, and food industries. Residential/commercial-size static mixers available from stock for immediate delivery. More


LaMotte Company manufactures and distributes a complete line of analytical products for air, soil and water. Products range from test strips and tablet tests to electronic equipment. LaMotte brands include Insta-Test test strips, TesTab analytical tablets, ColorQ photometers, TRACER... More

Marlo Incorporated

For over 40 years, Marlo Inc. has designed and manufactured high-quality water treatment equipment for a wide variety of residential, commercial and industrial applications. Our extensive product line includes media filters, water softeners, dealkalizers, deionizers, and reverse osmosis. All... More

Mattson/Witt Precision Products

Mattson/Witt has been the preferred source for custom manufactured plastic component solutions for the water treatment industry for over 50 years. Let us help you. More