Water filtrators can cost up to £1,500 to install, according to new research, and the industry is facing new restrictions as a result.
Water quality is an important part of the water supply in many countries around the world.
But the number of people who use water filters has risen dramatically over the past few years, according in the new report by the Water Quality Alliance.
The UK has the highest rate of water filter usage in the EU, with a quarter of people in the country using water filters to help remove pollutants, such as lead, cadmium, and mercury.
The research, which was conducted by Water Quality UK and the British Council, found that the average cost of water filtors in the UK had increased by 20% in the past two years.
In total, more than 1.2 million people in England, Wales and Scotland were using filters at some point last year, according the study.
The average cost per filtortool was £1.42, with an average cost for an individual in England of £4,800.
The cost of the devices was the highest in England with an individual costing £1.,636 to install.
The highest costs were in Scotland where an individual cost £1 for an average of 4.6 filtorts.
The findings come as the UK Government has pledged to introduce a national water filter bill in 2019 that will set a minimum filter bill for households.
The new research comes as water pollution is a major concern across the world, and it is unclear how many people will be able to remove the contaminants they have been consuming from the water they drink.
The EU has introduced stricter measures to tackle pollution from the use of water purification equipment, which include installing water filters and testing the water for contaminants.
But experts are concerned that this could lead to increased water pollution in the future.
The report also found that water filters are more expensive than they used to be, as more people have bought water filters in recent years.
There was a 30% increase in the average price of a filter, with the average bill going from £1 to £3.30.
The costs of replacing water filters with alternative filtrometers was the biggest expense in the world with an estimated cost of £8.9 billion, according Water QualityUK.
However, there were also significant increases in the cost of replacing the filters with water purifying devices.
The cheapest way to remove contaminants is with a water purifier, which is more expensive, with one cost of $1,200 for the cheapest filter.
The study also found the amount of water people drink every day has increased by 6% in England in the last five years, with people drinking a total of 1.3 litres of water per day.
In Wales, the number drank more than a pint of water in a day has more than doubled, with 1.4 litres a day now being drank.
The British Council has warned that the current situation will not improve unless the Government implements a national filter bill to control water pollution and make the UK a leader in the global fight against water pollution.