Water Quality & Filtration

The single-most important component of any mains-fed watercooler is the filter that is employed. Even more vital is the quality of that filter. Whilst all watercoolers chill and dispense water, it is the filter that determines its purity and taste.

All filters are micron-rated and this rating should be clearly stated on the casing. The rating relates to the size of the particles the filter will remove from the water before it’s dispensed. The lower the rating, the finer it will filter the water, the more impurities it will remove.

These ratings typically range from as high as 20 micron to as fine as 0.5 micron. Additionally, ratings are expressed in two different classifications.

Nominal rating – Although the filter has a micron rating, it is not guaranteed to this level and may vary.

Absolute rating – This is a guaranteed rating and will not vary.

These are the typical filters currently available on the market.

In-Line Filters (Nominal Rating)

These are at the budget end of the filter scale, normally with a 10-20 micron rating. Typically a granular activated carbon filter, they offer little protection against bacteria and are really only designed to remove taste and odour.

Carbon Block Filters (Nominal Rating)

Typically 5 micron, these filters push the water through a carbon block to purify the water. The filter area is therefore relatively small and with above-average useage, can sometimes become ineffective.

Pre-Coat Filters (Absolute Rating Guaranteed)

A 0.5 micron-rated filter that will remove 99.9% of all water borne impurities. Using an activated carbon membrane to filter the water, they offer a large filtering surface area 6 times the size of a carbon block filter. A highly effective filter that will also remove water borne bacteria such as cryptosporidium.

At Aqua Filter, our decision to only use the highest standard of pre-coat filters from Everpure was easy. The Gold Standard of filters, these 0.5 micron-rated filters are fitted as standard across our whole range, guaranteeing a quality and purity of mains-fed water that is unrivalled in the market.