Product review (5 stars): Better than Filter
This cleaner is inexpensive when purchased from local retailer and comes in pairs. It is a great way to clean the&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Crane-Adorable-1-Gallon-Cool-Mist-Humidifier-Penguin-Shape/dp/B000GWJD0A/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Crane Adorable 1 Gallon Cool Mist Humidifier, Penguin Shape</a>. Manufacturer suggest you change it every too often but I used one per Humidifier all through last winter. I intend to use one per tank this winter too.