Drinking Water systems & Parts
Everything you need to maintain or install a filtered water system.
Not Sure Which Filter Fits?
Send us your filter photo, brand, model number or system details and we’ll help point you to the right replacement.
NZ WATER FILTRATION SPECIALISTS
New Zealand-Made Water Filtration Products
Water Filters Online is your trusted specialist for water filtration products and can help you find the most suitable water filters for your home or business. We stock HUGE range of brands.
Browse our range to find the right filter for your spa pool or pool.
Free Shipping Zones
Fixed NZ-wide freight costs
Same Day Dispatch
Order before 11am weekdays
Price Match Guarantee
We'll beat any genuine NZ price
Expert Product Support
Call 0800 936 426 for advice
UV Kits
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Pure water for your family
Drinking Water systems & Parts
Everything you need to maintain or install a filtered water system.
Drinking Water systems & Parts
Everything you need to maintain or install a filtered water system.
Drinking Water systems & Parts
Everything you need to maintain or install a filtered water system.
UV Kits
Reliable UV Solutions for Pure & Safe Water
From household water systems to higher-flow applications, our UV kits provide a simple, chemical-free approach to water disinfection. Find complete systems and replacement parts in one place.
99.99% Bacteria Inactivation
Chemical-Free Disinfection
Protects Your Health
Easy to Install & Maintain
Trusted by Kiwi Homes and Businesses
Great product and excellent service!
Waterfilters online are very efficient. Packaging is excellent. Totally reliable and good pricing.
This product was a perfect fit and working well, super fast delivery and great packaging that kept the bulb safe for transport
Very happy with the lamp and very good service, will definitely be using the company again Thanks
Shop Best Sellers
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Hydronix
Sediment Depth (SDC Series / Polyspun) Pre-Filter Cartridges - Multiple sizes and microns available
Sale priceFrom $7.90
In stock
Magnum Filters
Washable Pleated Pre-Filter Cartridges - Multiple Sizes and Microns available
Sale priceFrom $14.50
In stock
Hydronix
Hydronix Carbon Block Cartridges for Chlorine Bad Taste and Odour Reduction - Multiple Sizes available
Sale priceFrom $23.00
In stock
Water Filters Online
UV Lamp compatible with RL6 for Puretec Hybrid G & R & & WU-UV Systems
Sale price$129.00
In stock
Water Filters Online
UV Lamp compatible with GW_GUVL-10S/GUV-600S for Greenway GAUV10S/SB Steriliser
Sale price$99.50
In stock
Save $2.50
WaterFilters Online NZ
Replacement Inline GAC Filter Cartridge with Integrated 1/4" Quick Connect Fittings . Multiple Options Available
Sale priceFrom $42.50
Regular price$45.00
In stockShop by What You Need
Not every water filter search starts with a part number. Choose the option that sounds closest and we'll help you get to the right products.
Replace My Cartridge
High-performance cartridges designed for sediment filtration, fluoride reduction, and specialized applications.
Filter My Drinking Water
High-performance cartridges designed for sediment filtration, fluoride reduction, and specialized applications.
Trust Tank or Bore Water
High-performance cartridges designed for sediment filtration, fluoride reduction, and specialized applications.
Find a UV Lamp or Sleeve
High-performance cartridges designed for sediment filtration, fluoride reduction, and specialized applications.
Replace My Fridge Filter
High-performance cartridges designed for sediment filtration, fluoride reduction, and specialized applications.
Replace My Spa or Pool Filter
High-performance cartridges designed for sediment filtration, fluoride reduction, and specialized applications.
Fixed freight Cost
On all NZ orders
Trustworthy Supplier
Excellent Review Ratings
Same day dispatch
If in stock and ordered before 11am
Price match guarantee
If you find an identical product cheaper somewhere else, we'll match it. Conditions apply.
Why Choose Us
Why Water Filters Online?
Water Filters Online is a New Zealand-owned water filtration specialist, helping Kiwi homes and businesses find practical filtration solutions for cleaner, better-tasting water.
Proudly New Zealand Owned
Local knowledge, service and support from a Kiwi business.
Water Filtration Specialists
Practical advice to help customers choose the right solution for their water needs.
Supporting Customers Across NZ
Water filtration products and support for homes and businesses throughout New Zealand.
Know What's in Your Water
Understand your water first, then choose the right filtration setup.
A Filter for Every Tap
Find the right filter for drinking water, whole-home systems, UV, spa, pool and more.
Keep Your Water at Its Best
Keep your system performing with the right replacement filters and care.
1. Take a photo
Show us your filter, cartridge, label or system.
2. Send the details
Share the brand, size, model number or part code.
3. We’ll guide you
Get a clear product recommendation before you order.