3M Aqua-Pure - Replacement Filters & Accessories Select Part:NEP Filter Head 3/8" Push Fit, for certain AP & HF models they're Human Micro Flora (derived

they're Human Micro Flora (derived from people)

L-Theanine (derived from green tea): 100 mg

Inositol (a glucose isomer formerly classified as Vitamin B8

375 billion CFU

3M Aqua-Pure - Replacement Filters & Accessories Select Part:NEP Filter Head 3/8" Push Fit, for certain AP & HF models they're Human Micro Flora (derivedInfo: Various Filters Cartridges and Heads 3M Aqua Pure systems are considered by professionals to be some of the best on the market. For maximum operating performance, you should always replace your filter cartridges in accordance with the manufacturer's specifications (or sooner, depending on water quality). Product Notes: 1 Micron Micro Klean RT PreFilter (RT19Y16G20NN) This 19 1 2 inch long 2 5 16" diameter depth filter cartridge (Double Open End,