Best Water Filtration Softeners Deals Online in the UK (24 Deals Found)

Last Updated - 10/11/2026 Sort By:

Best Choice
Waterdrop

New
Waterdrop G3P600 Reverse Osmosis Water Filter System, 600 GPD Tankless RO | NSF/ANSI 42,53,58&372 Certified, Reduce TDS,
NSF/ANSI 42& 58 & 372 Certified, 600 GPD, 8-stage Filtration, Smart LED Faucet, Water Softener, Reduce TDS, Reduce Scale

£449.99
Harvey

New
Harvey Block Salt for Water Softeners | Original Pure Grade A Food Quality Salt | 3 Bags, Securely Boxed | Each Bag Cont
Harvey’s original block salt, 3 packs, boxed securely. Each pack holds 2 salt blocks, totaling 6 blocks, each weighing 4

£32.99
New
Aquati Whole House Water Purifier and Softener Filter - Salt Free 3/4" PG
Whole House Water Purifier and Softener Filter - Salt Free.

£76.95
Best Value
AquaHouse

New
AquaHouse Metered Water Softener System, Prevents all limescale for 1-5 person households - 9 Litre
AquaHouse 9 Litre water softener system for complete scale prevention. Suitable for average households and light commerc

£399.99
New
Premium Home Under Sink Water Purifier and Softener Filter Kit – Salt Free
The softening effect takes place within the filter without adding any salt or chemicals into the water.

£67.95
Eddy Water Descalers

New
Eddy Electronic Water Descaler - Water Softener Alternative - UK/EU model | Proudly Made in Britain
Who Eddy is for: Eddy is for anyone who wants to reduce or eliminate the effects of costly limescale from their whole ho

£139.00
KINETICO

New
Kinetico Block Salt for Water Softeners - Genuine Kinetico Product - Delivers Superior Performance - 3 packs with 6 salt
Kinetico Original: genuine Kinetico block salt from the leading water softener experts.

£27.99
New
Complete Whole House Water Purifier and Softener Filter System & Pressure Gauges
Complete Whole House Water Purifier and Softener Filter System.

£76.95
KINETICO

New
Kinetico Block Salt for Water Softeners - Genuine Kinetico Product - Delivers Superior Performance - 6 packs with 12 sal
Kinetico Original: genuine Kinetico block salt from the leading water softener experts.

£52.99
New
Complete Whole House Water Purifier and Salt Free Softener Filter System
This speeds up the consumption of household appliances such as washing machine or dishwasher and leads to an increase in

£64.95
Waterdrop

New
Waterdrop T4-A Alkaline pH+ Reverse Osmosis Water Filter, 450 GPD | NSF/ANSI 372 Certified, 2:1 Pure to Drain, Tankless
[Dual Water Flow] The WD-T4-A RO system offers two purified water options: a standard RO-purified stream and a mineral-e

£279.99
Waterdrop

New
Waterdrop 10UA Under Sink Water Filter System, 11000 Gallons Capacity | Reduce PFOA/PFOS, Reduce Lead, Chlorine, Bad Tas
𝐔𝐥𝐭𝐫𝐚-𝐥𝐨𝐧𝐠 𝐬𝐞𝐫𝐯𝐢𝐜𝐞 𝐥𝐢𝐟𝐞: When used with municipal water, each filter has a maximum service life of 1

£69.99
New
2 Pack 25kg Water Softener Salt Tablets British Food Grade High Purity UK
2pack of 25 kg salt tablet for softner just 24.99

£26.69
iSpring

New
iSpring WCS15KG Water Softener, Backwash, High Cap
Compact design for space-saving installation: The one-tank compact design of the iSpring WCS15KG whole house water softe

£273.99
New
Aquati Premium Home Under Sink Water Purifier and Softener Filter Kit– Salt Free
The softening effect takes place within the filter without adding any salt or chemicals into the water.

£66.95
Monarch Water

New
Monarch Water Ultimate 10kg Water Softener Salt Tablets - BS EN973 Class A Approved
Food Grade Purity

£12.29
New
3 Stage Whole House Water Filter Purifier and Softening Replacement Softener
The softening effect takes place within the filter without adding any salt or chemicals into the water.

£18.95
New
Purewell Outdoor Water Filter – 0.01 μm ultra-fine filter removes 99.99% of 1
AUTHORITATIVE CERTIFICATION: The Purewell Water Filter Straw is a certified survival essential, rigorously tested and ap

£30.19
New
ED06W Soften Water Instant Electric Water Filter Jug, 4L, White
[Soften Your Water for Great Taste] This water filter can soften your water by reducing copper, magnesium and calcium an

£47.99
New
Frizzlife Replacement TAM4 Filter Cartridge with FZ-4 Inner Cartridge
The Frizzlife Replacement TAM4 Filter Cartridge with FZ-4 Inner Cartridge is a high-quality water filtration product tha

£31.90
New
Aquati 1 Year Replacements 3 Stage HMA Drinking Water Purifier Dechlorinator
Two sets of 3 Water Filters 10”.

£29.95
New
3- Water Softener Refill Pack - Softens Hard Water, Eco-Conscious Living
Softens Hard Water.

£23.99
New
Universal Shower Head Filter Hard Water Softener,15 Stage Filtration w/Vitamin C
Universal Shower Head Filter Hard Water Softener,15 Stage Filtration w/Vitamin C

£27.57
New
Aquati Whole House Water Filter De-chlorinator Chlorine Removal Purifier System
Chlorine and odourfree showers.

£63.95

24 Water Filtration Softeners deals are available from: Amazon, eBay stores, starting from £12.29.
The biggest discount we found is 10%% on Waterdrop G3P600 Reverse Osmosis Water Filter System, 600 GPD Tankless RO | NSF/ANSI 42,53,58&372 Certified, Reduce TDS, Scale, Better Taste, 2:1 Pure to Drain, Water Softener, Smart LED Faucet at Amazon.
The lowest price we found is £12.29 while the highest is £449.99.
Prices for the best Water Filtration Softeners deals average at £99.76.
Last updated on November 10, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Water Filtration Softeners.