Fits properly. I like how briskly I'm able to get this filter. Quick to put in and does a great work. Love having the ability to order this on Purerdrop website. The price was sensible too, very beneficial to get three pcs. The alkaline minerals in the pH Revive filter http://kangenwaterbottlebuy62848.blog2news.com/14320786/the-alkaline-water-packs-diaries