About us
Filter-Online is a Danish company based in Søndersø on Funen. We are specialists in filtration solutions.
Delivery
* According to new EU rules, all shipments over 20kg must be sent on the pallet.
Filter-online strives to ship orders placed before kl. 14 same day, order then shipped...
Reverse osmosis is an older technology that was developed in the 1950s. The purpose of the technology is, unlike a carbon filter, to more or less eradicate all components in the water. This means that when the water has been treated in the system it "comes out on the other side" so pure that it does not actually contain anything other than its own molecules. Originally the idea was to extract drinking water from seawater, which to this day is still relevant.
We sell reverse osmosis systems both for the private household and for the industry.
If you wish to be self-sufficient in water rather than buying it through a waterworks, a private well is the way forward. The solution is cheaper...
Ochre is a by-product made from a so-called iron bacterium. The bacterium is found almost everywhere on the planet and thus also in the tap water. The ochre bacterium survives by oxidising...
microSiemens for ppm guide
The conductivity of water is calculated in microSiemens per centimetre (µS/cm), which is an important factor for many industries.
microSiemens per centimetre in water...
(Activated Carbon is Active Carbon that has come in contact with water. It goes from active state to being activated.)
Activated carbon is very...
If you find that the water from your shower head colours your hair green, it is probably due to ochre in your tap water.
Ochre is a by-product...
Many people talk about the importance of fighting calcium in the water and avoiding limescale in the bathroom...
With a water softener system from Filter-Online, your tap water will reach the recommended water hardness...
