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Slant fin humidifier filters also commonly referred to as mineral absorption pads are responsible for one of the most vital features that a Slant fin humidifier provides. These specially Slant fin humidifier filers capture and sieve out minerals from the humidifier’s hot water reservoir in addition to helping greatly in preventing the build up of minerals in the other parts of the machine.

The standard pack of mineral absorbent pads come with a set of half a dozen pads in it, with each humidifier filter pad measuring in at about 2¼ inches in diameter. Any original Slant fin filter pad will fit the following Slant fin humidifier models:

  • GF-200
  • GF-200B
  • GF-210
  • GF-210W
  • GF-220
  • GF-300
  • GF-350

Some Slant fin models may require a larger absorption pad which is usually about 3¼ inches in diameter and comes in a pack of twelve. The former can be bought at various online stores and from retailers like Amazon for about $6.99 while the larger Slant fin humidifier filters cost about $14.99.

These humidifier filter pads are the first line of defense that give any Slant fin humidifier its famous ‘white dust free’ mist. Thus it is extremely important that one change them at regular intervals, and more so if the individuals using the humidifier suffer from allergies or asthma. If the water in your area or that which you’re pouring into the humidifier is classified as hard it is best that you busy these in bulk as you will probably need to replace them every fortnight.

In order to install the Slant fin humidifier filters into your desired Slant fin humidifier model, it is best that you follow the filter pad replacement instructions that are included with your owner’s manual. It is also vital that you go through the additional instructions and any other safety guidelines that the manufacturer might have included along with your products literature. A synopsis of the guidelines is provided below regardless;

  1. Make sure your unit is unplugged from the wall outlet.
  2. Before replacing the mineral absorption filter pad, it is reccomended that you soak the pad in the hot water reservoir for some time. It is extremely important to make sure that your slant fin humidifier is unplugged else the water in the reservoir tank will become extremely hot and if that happens it is best to turn the humidifier unit off and wait for the humidifier water to cool down and then use a pair of tongs or large tweezers to retrieve the filter pad.

What is considered to be the useful life of the mineral absorption pad will vary largely depending on the mineral content of the water used to fill up the humidifier. When the mineral and particulate matter present in the water is low or if distilled water is used, the filter pad should be changed after about three weeks of continuous usage. However, if the water being used is hard, then the pad should be changed a bit more frequently. Figuring out the pad’s lasting duration isn’t an exact science, but the rule of thumb is if the water you pour into you humidifier leaves ‘salt’ or other mineral deposit residue on your kitchenware, then you probably need to change the pad every week. Customers in that situation might also benefit from adding a water softening liquid in addition to using their slant fin humidifier filters.

A sure sign of the existing pad requiring replacement is when the pad becomes stiff and hard or if mineral salts build up on the interior of the hot water reservoir.