These are common and not from a specific vendor.
These fit all alkaline water flask
Change of filters is determined by pH strips. When the pH of the water goes below 7.5 change the filter
The filters are mannufactured in Asia and all sellers buy from that market

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.7 inch
Height : 1.4 inch
Length : 4.5 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B005FDHN02

Product Description

The QBP Ion Pod Alkaline Water Energy cup filter can change the common purified water into alkaline and energized water by the activation of Pearl calcium ion and Energy stone, which can release far infrared ray and negative ion, thereby causing the syntonic of water molecules, releasing mineral element (such as Ca, Mg, K, Ca), and changing the common purified water into the alkaline energized water. The alkaline energized water is made up of macromolecules group, with negative potential & alkalescency, It has strong penetrability and solubility; it can help eliminate the free radicals, may detoxify the alcohol & tobacco in your body, and may improve the nutrient absorption, metabolism & immunity. If you drink it for long term, you body may resist oxidation, may delay senility, may prevent and dissolve kinds of calculus in your body and eliminate the free radicals, may help the high blood pressure and gastritis. The alkaline energized water is the water of health, which may increase the physiological behaviors, may build up your health, and may improve the quality of your life.