Product Price Filter Capacity (gallons) Flow Rate (GPM (Gallons Per Minute)) Contaminant Removal Installation Dimensions (inches (L x W x H)) Warranty
Waterdrop Waterdrop WD-A2 Countertop Reverse Osmosis System B-WD-A2-RFSET
US
£298.20 A2RF - 12 Months 100 GPD PFOA, PFOS, Chlorine, Fluoride, Arsenic, Lead, Nitrate, Chromium-VI, Copper, Sediment, Salt, microplastics 15.9 x 8.2 x 15.7 in 1 Year

The Waterdrop WD-A2 is a 5-stage countertop reverse osmosis dispenser that delivers instant hot and cold purified water with a 0.0001μm RO membrane, UV sterilization, and a 3:1 pure-to-drain ratio. It includes a 159 oz internal tank, smart touch controls with TDS monitoring, and a 12-month filter lifespan, suited for families wanting RO-level contaminant removal without under-sink installation.

★ Ideal for

Ideal for removing fluoride and other contaminants because it uses a 0.0001μm RO membrane with 5-stage filtration and lists fluoride removal along with a 100 GPD flow capacity and 12-month filter life.

AquaTru AquaTru Classic Countertop Reverse Osmosis System 90AT204AT01
US
£335.57 Pre/Carbon 2270 litres; RO 4540 litres; Carbon VOC 2270 litres Full clean tank in 10-15 minutes Reduces 83+ contaminants including PFAS, lead, fluoride; TDS reduction up to 97% 14 in tall x 12 in wide x 14 in deep; tap tank ~1 gallon; clean tank 3 quarts; unit weight 16 pounds null

AquaTru Classic is a 4-stage countertop reverse osmosis purifier that removes a wide range of contaminants including PFAS, lead, and fluoride, with high TDS reduction and replaceable multi-stage filters. It's plug-and-play with a 3-quart clean tank and a compact footprint, suited for users who want lab-grade RO performance without plumbing. Filter lifespans are roughly 6 months for pre/carbon, 24 months for the RO membrane, and 12 months for the VOC carbon.

★ Ideal for

Well-suited for removing fluoride and other contaminants because its 4-stage RO system (RO membrane plus carbon stages) reduces fluoride and over 83 contaminants and lowers TDS by up to 97%, with RO membrane life of 4540 litres.

Cloud Water Cloud RO Countertop Reverse Osmosis System (Cloud RO)
US
£560.53 Pre/Post Filters 500 gallons; RO membrane 1500 gallons 0.625 GPM; RO production 50 GPD; tank 2.8 gallons Removes 99% TDS; reduces 200+ contaminants including lead, fluoride, PFAS, VOCs, pesticides, pharmaceuticals 1 year

Cloud RO is a compact reverse osmosis system with integrated remineralization, smart sensors and an app for filter monitoring. It offers a fast faucet flow, low 1:1 waste ratio and a 2.8 gallon tank, suited for households wanting high-purity, remineralized water without complex installation.

★ Ideal for

Best for removing fluoride and other contaminants because its RO membrane is NSF-tested for 98% TDS rejection, removes 99% of contaminants (including fluoride and PFAS), and includes a remineralizer and 50 GPD production with 1:1 waste ratio.

Crystal Quest Fluoride Countertop Water Filter System CQE-CT-00131
US
£73.99 1000 to 1500 Gallons Fluoride, Lead, Arsenic, Heavy metals, Chlorine, Chloramine, Pesticides, Herbicides, VOCs, Pharmaceuticals, Sediment, Cysts 5L x 13H x 5W in

Countertop system with single/double/triple cartridge options using fluoride removal GAC, SMART cartridge and carbon block to reduce fluoride and a broad range of chemical and metal contaminants. Installs quickly on most kitchen faucets via a diverter valve and provides roughly 1000-1500 gallons per fluoride cartridge before replacement. Suited for homes or offices wanting fluoride removal without under-sink plumbing.

★ Ideal for

Ideal for removing fluoride because it uses a dedicated fluoride removal GAC cartridge rated for about 1000 to 1500 gallons and also removes metals, chlorine, VOCs, and other contaminants.

Epic Water Filters Epic Pure Countertop Fluoride Removal Filter
US
£62.78 150 gallons Fluoride, PFAS, lead, chlorine, microplastics, heavy metals, pesticides, pharmaceuticals, parasites (removes up to 99.9% of many contaminants; fluoride ~97.8%) Lifetime Warranty

A gravity-fed countertop pitcher/dispenser using Epic's Pure filter media to reduce fluoride, PFAS, lead, chlorine, microplastics and 200+ contaminants. Designed for easy, no-plumb installation with a built-in filter timer and replaceable filter lasting about 3-4 months or 150 gallons. Suited for fridge use and households wanting high-performance contaminant reduction without plumbing changes.

★ Ideal for

Ideal for removing fluoride and other contaminants because its Pure filter is independently tested to reduce fluoride (~97.8%) and PFAS and has a 150 gallon capacity per filter.

iSpring iSpring Reverse Osmosis Countertop System (RCC7AK or similar countertop RO)
US
£171.89 Removes fluoride, lead, chromium, PFAS, TDS and 1,000+ contaminants (varies by model) 15.50L x 5.10W x 19.00H in Manufacturer warranty available (details vary; extended warranty options sold)

A 6-stage reverse osmosis system with alkaline remineralization that produces high-purity drinking water and reduces a broad range of contaminants including fluoride and lead. It is NSF-certified, uses multiple prefilters plus an RO membrane and post-alkaline stage, and suits households wanting near-complete contaminant removal and improved taste.

★ Ideal for

Ideal for removing fluoride because it uses RO membrane filtration with certified fluoride reduction (reported ~97-99% removal) combined with a remineralization stage for better taste.

Waterdrop Waterdrop G3 P800 Countertop/Undersink Reverse Osmosis System
US
£746.63 G3-N1CF up to 550 gallons; G3-N3CB up to 1100 gallons; N2RO up to 2200 gallons 800 GPD Removes fluoride, lead, arsenic, PFAS/PFOS, chlorine, odor, rust, sand, sediment Height 18.12 in; Width 5.67 in; Weight 35.8 lb 1 year manufacturer warranty

The Waterdrop G3 P800 is a tankless under-sink reverse osmosis system with 10-stage filtration, UV sterilization option, smart display faucet and high 800 GPD flow for instant on-demand purified water. It is NSF/ANSI certified for multiple standards and offers a compact tankless design suited for households needing high throughput and space savings.

★ Ideal for

Ideal for removing fluoride and other contaminants because it uses RO membrane filtration certified to NSF/ANSI 58 and lists fluoride among reduced contaminants and an 800 GPD flow for fast delivery.