Water treatment components for the trade
DWT imports and distributes water treatment components and manufactures melt-blown sediment cartridges in Cape Town. Our Cape Town and Johannesburg branches supply installers, engineering firms and resellers. DuPont digital partner.
- catalogue lines
- 470catalogue lines
- product categories
- 16product categories
- branches with stock
- 2branches with stock
- lead-time band on every line
- A–Flead-time band on every line
Lead-time bands
- A = Ex-stock (0–3 days)
- B = 2–4 weeks
- C = 6–8 weeks
- D = 8–12 weeks
- F = 10–14 weeks
- E = Made-to-order (lead time varies with the build)
Confirmed lead times come with your quote.
Start with who you are
Choose your work or application.
The trade catalogue: every line with specifications, lead-time band and stock status, and a quote list.
Browse the catalogue
Under-counter, whole-house, borehole and rain-tank filtration, and animations of how the units work.
Installer guide
Estates, body corporates, hotels, offices and schools: keeping supply on, borehole and rain-tank water, quality complaints and looking after the plant.
Building water guide
Borehole, dam and river water for irrigation, livestock and the farmhouse, in plain language.
Farm water guide
Food and beverage plants, bakeries, commercial kitchens and pack-houses: boilers, combi steamers, wash-down, CIP and what the auditor asks for.
Food and drink water guide
Municipal-water concerns, backup for outages, rainwater and borehole or wellpoint water. Understand your options and where to start.
Water for my home
Stock and lead time
Check the stock status and indicative lead-time band on each catalogue line. Your branch confirms availability with the quote.
Compare variants
Compare the listed ratings, dimensions, connections and materials before adding a variant to your quote list.
Source-to-order items
Indent lines are shown alongside stocked lines, with indicative lead-time bands.
Product categories
- Filter Cartridges93
- Cartridge Filter Housings34
- Screen & Disc Filters10
- Filtration Media27
- FRP Vessels30
- Control Valves17
- Filter & Softener Systems46
- RO Membranes16
- Membrane Pressure Vessels8
- RO Systems6
- UV Systems64
- Ozone Systems7
- Dosing Pumps12
- Water Treatment Chemicals10
- Valves & Fittings75
- Instruments & Meters15
Brands we stock and source
- DuPont digital partner





Our own brands
The reference library
Look it up before you ask: the working documents behind specification, free to use.
1004manufacturer spec sheets
Data sheets and manuals across 51 brands, including documents the manufacturers no longer publish. Searchable, downloadable.
11calculators and references
Scaling indices, dosing, RO recovery, media sizing and code converters; each ends with what the result means for selection.
62knowledge base articles
Component basics, when to use which, and how the options compare, written for engineers earlier in their careers.
Applications
Borehole water treatment
Component selection from the water analysis and required flow.
Brackish water reverse osmosis
RO membrane selection, pretreatment and recovery for brackish-water systems.
Food and beverage filtration
Water treatment components for food production, beverage processing and clean-in-place duties.
Rainwater harvesting filtration
Filtration and disinfection options for stored rainwater.
Municipal backup and buffer systems
Filtration, disinfection and pump protection for stored municipal water.
How ordering works
- 1
Build your quote list
Add lines from any table: exact variants, quantities and notes.
- 2
Send to your branch
No account needed. Your list goes straight to the branch you choose.
- 3
Confirmed pricing and lead times
The branch responds with firm pricing and confirmed lead times, usually within one working day.
Cape Town
5 Firgrove Way, Firgrove Industrial Estate, Macassar, 7134
Mon–Thu 08:30–16:30, Fri 08:30–16:00
Johannesburg
Unit 067, Inospace Allandale Exchange, 917 Morkels Close, Halfway House, Midrand, 1685
Mon–Thu 08:30–16:30, Fri 08:30–16:00
Request a trade quote
Confirmed pricing and lead times from your branch, usually within one working day.



