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Innovative water purification system
For all hot tubs and whirlpools
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3 years of choosing to have the best products for your health
Best quality and price
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10x better filtration effect then sand filtration system
Washable, necessary to change once per year
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Solution for cloudy water
Filtering up to 3 microns
For orders to the ČR/SR
We have filters for more than 30 types of hot tubs and whirlpools
Didn’t find your filter in our offers? No problem, we’ll make it! 🙂
Check our short video
Advantages of ROYAL filters
- Due to their robustness, the service life is estimated for many years, only the multifunctional microfiltration medium is changed, approximately once every 12 months.
- Royal filter is universal and significantly saves the environment and especially your money!
- It ensures thorough microfiltration of water from all particles of 3 microns in size, which is at least 10 times better than filtration through conventional cartridge filters or sand filtration. It safely filters oils, fats, deodorants, antiperspirants, biological material, urea and all particles invisible to the naked eye from the water.
- It provides a significant saving of money, water and time spent on cleaning, compared to conventional cartridge filters. The saving is at least forty liters of water and 25 minutes of time for one weekly cleaning of two common cartridge filters and almost 100% - saving of chemicals used to clean common cartridge filters.
- Royal multifunctional filter medium is simply washed once a week in the washing machine without washing powder and fabric softener, in a fast approx. 15-minute program at a temperature of approx. 35 degrees and put back into the filters and whirlpool or let it dry freely.
- If you have iron or manganese in the water, the ROYAL filter will safely and effectively filter it out of the water in the hot tub without adding various chemicals.
- In cooperation with KYROL TC – a unique chlorine-free disinfectant and other components, chlorine-free water treatment in the hot tub ensures clean and healthy water in your hot tub or swim spa.
- It guarantees a high water flow compared to commonly used classic cartridge filters, which significantly saves the strain on the pumps and you can also make maximum use of their hydrotherapeutic performance. This is not always possible with commonly used classic cartridge filters due to their poor permeability caused by scale and water sludge, which is also often the cause of pump failures.
- Thanks to the integrated sludge trap in the lower part of the filter, it captures sediment and larger impurities, which do not get back into the water in the hot tub when replacing the Royal multifunctional microfiltration medium, as is common with classic cartridge filters. This is guaranteed at least with a cartridge filter, which leave behind a lot of dirt when removing the filter, which is simply washed away when removed from the water.
- Both components of the ROYAL FILTER – the body of the ROYAL FILTER and the Royal multifunctional microfiltration medium are two separate parts and are fully recyclable.
- The service life of cartridge filters is a maximum of one year, recycling cartridge filters can be a problem, as two different materials - plastic and filter cloth - are firmly connected. Royal filters can be fully recycled.
You ask, we answer - F.A.Q
We answer basic questions collected from our customers.
Yes, it is suitable for any hot tubs or whirlpools.
When choosing right filter for you, we can assist you and check the dimensions of the original filter and then recommend which filter to buy.
If we don’t have a filter, we can custom make one according to the dimensions of the original cartridge, which can be emailed to us at [email protected]
On this page, we thoroughly explained the measuring of original cartridge filter: How to measure filter
We will make a custom-made filter within 5 working days. We will inform you about progress in all cases.
Each filter requires a different amount of balls, that’s why we prepared 4 sizes. The recommended size is always indicated in the details of individual filter.
There are always a few extra balls in each package in case you lose one while cleaning or in case your pet decides to have a new toy 🙂
The Royal Filter has a lifespan of at least 1 year. We recommend replacing the medium after reaching this time. It will be visible on quality of micro-filtration medium.
We recommend cleaning the balls based on their contamination. On average, you should clean the balls once a week. Of course it depends on how often is the hot tub or whirlpool used, children etc.
The microfilter medium contains 3 types of balls:
- Black with black carbon fibers for odor absorption
- Silver with silver fibers for better disinfection
- White for pollution indication (after pollution, they will have a yellow color)
The Royal Filter is our product, we did not copy it anywhere, therefore it had to undergo thorough testing on expensive devices and underwent significant changes in design and construction.
We guarantee that the filter will fit your device. In case of any issues, we will make sure to solve them as quickly as possible. We like to help as much as we can in solving our customers water maintenance problems. We greatly appreciate your support and with your contribution we will continue developing Royal Filter and making sure for further improvements.
Our satisfied customers
Where did we help to solve the problem with water in hot tubs?
Our Royal filters
Royal filter for the hot tub 175x152mm with thread (replacement for WELLIS hot tubs)
in stock
99,00€ 79,20€ 20% OFF
Special filter for WELLIS whirlpools, designed for long-term use and easy maintenance. Made from highly durable PETG material, this filter combines toughness, strength and durability to give you years of uninterrupted cleanliness. Its machine washable refill ensures hassle-free cleaning, while the 100% recyclable material protects the environment. We offer a wide variety of color options and the ability to customize the dimensions to fit your needs. With our filter solution, you can enjoy the cleanliness and freshness of your WELLIS hot tub without compromise.
Royal filter for inflatable hot tub 145x152mm with thread
in stock
95,00€
Highly durable inflatable whirlpool filter, designed for long-lasting use and easy maintenance. Thanks to the use of innovative PETG material, it is characterized by its extraordinary toughness, strength and durability, ensuring years of reliable service. Plus, its refill can be conveniently machine-washed, making it easy to care for your filter. We offer a wide range of colour designs and provide the option of customising the dimensions to suit individual needs. With our 100% recyclable filter, you can enjoy clean and carefree relaxation in your hot tub.
Royal filter for hot tubs 235x135mm with thread (universal)
in stock
99,00€
Long-lasting universal filter for whirlpools – designed for maximum durability and comfort. Thanks to the innovative, machine-washable refill, caring for your hot tub becomes a breeze. Made from highly durable PETG material, this filter guarantees years of durability and is 100% recyclable. We offer a wide range of colour options and the possibility of customising the dimensions to suit your needs. Make your relaxation in the hot tub a carefree experience with our special filter.
Royal filter for the hot tub with continuous hole 45/50/55mm
in stock
119,00€
A special filter for the hot tub that will last for years and you can wash the filling in the washing machine. The filter is made of PETG material, which is ideal for this use due to its toughness, strength and durability. The filter will thus last for many years and the material is 100% recyclable. Filters are produced in different color versions depending on the current color of the input raw material. If necessary, we can also manufacture other dimensions of the filter to order.
Royal filter for Hanscraft NetSpa Premium hot tub
in stock
119,00€
Hanscraft NetSpa Premium whirlpool filter, designed for long-lasting use and easy maintenance. Made from highly durable PETG material, this filter combines toughness, strength and durability to provide you with years of uninterrupted cleanliness. Its machine-washable cartridge ensures hassle-free cleaning, while the 100% recyclable material protects the environment. We offer a wide range of color options and the ability to customize the dimensions to your needs. Thanks to our filtration solution, you can enjoy the cleanliness and freshness of your WELLIS hot tub without compromise.
Royal filter for Sundance hot tub (880 Series – 6540-488)
in stock
209,00€
Long-lasting cleanliness with our Sundance hot tub filter, designed for long-lasting use and easy maintenance. Made from highly durable PETG material, this filter combines toughness, strength and durability to give you years of uninterrupted cleanliness. Its machine washable refill ensures hassle-free cleaning, while the 100% recyclable material protects the environment. We offer a wide variety of color options and the ability to customize the dimensions to fit your needs. With our filter solution, you can enjoy the cleanliness and freshness of your Sundance hot tub.
Royal filter for Swim Spa 650x140mm with thread
in stock
289,00€
Crystalline cleanliness with the special Swim Spa filter, designed for long-lasting use and easy maintenance. This filter is made from highly durable PETG material and combines toughness, strength and durability to give you years of uninterrupted cleanliness. Its machine-washable cartridge ensures hassle-free cleaning, while the 100% recyclable material protects the environment. We offer a wide range of color options and the ability to customize the dimensions to your needs. Thanks to our filtration solution, you can enjoy crystalline water in your Swim spa.
You will also need
Microfiltration medium for inflatable hot tub Royal filter
in stock
19,90€
This microfiltration medium consists of three different functional filter components for maximum filtration of the water in a hot tub or swimming pool. It perfectly filters out all impurities from 3 microns in size, making it 10 times more effective than a conventional cartridge filter.
Microfiltration medium for Royal filter (small pack)
in stock
26,90€
This microfiltration medium consists of three different functional filter components for maximum filtration of the water in a hot tub or swimming pool. It perfectly filters out all impurities from 3 microns in size, making it 10 times more effective than a conventional cartridge filter.
Microfiltration medium for Royal filter (medium pack)
in stock
39,90€
This microfiltration medium consists of three different functional filter components for maximum filtration of the water in a hot tub or swimming pool. It perfectly filters out all impurities from 3 microns in size, making it 10 times more effective than a conventional cartridge filter.
Microfiltration medium for Royal filter (big pack)
in stock
43,90€
This microfiltration medium consists of three different functional filter components for maximum filtration of the water in a hot tub or swimming pool. It perfectly filters out all impurities from 3 microns in size, making it 10 times more effective than a conventional cartridge filter.
Chlorine-free chemistry
KYROL TC 1 kg /800 ml/ – chlorine-free water disinfection
in stock
39,00€
KYROL TC is a liquid broad-spectrum biocide. It has strong oxidizing power and excellent disinfecting properties. Kyrol TC is very effective even in low concentrations and is therefore more material friendly than other biocides.