Brita Maxtra cartridge refill
https://youtu.be/cRYlW8ei0Eg?t=166
AquaTech - Activated Carbon (Activated Charcoal)
https://food-hacks.wonderhowto.com/how-to/brita-filters-costing-you-fortune-use-these-diy-methods-clean-your-water-for-half-price-0148381/
Top 10 Activated Charcoal Uses & Benefits
https://draxe.com/activated-charcoal-uses/
similar - http://www.aqua-optima.com/
more :
https://www.google.com/search?q=activated+carbon&tbm=shop
https://www.walmart.com/search/?query=Activated%20Charcoal
Researchers develop tea bag filter that cleans water
http://www.bbc.com/news/world-africa-11156031
Stellenbosch University's Hope Project patents 'tea bag' water filter
https://newatlas.com/tea-bag-water-filter/16373/
The History of the Tea Bag
https://timedotcom.files.wordpress.com/2015/09/9-1952-first-flo-thru-bag-ad-e1440453638970.jpg
https://youtu.be/cRYlW8ei0Eg?t=166
AquaTech - Activated Carbon (Activated Charcoal)
https://food-hacks.wonderhowto.com/how-to/brita-filters-costing-you-fortune-use-these-diy-methods-clean-your-water-for-half-price-0148381/
Top 10 Activated Charcoal Uses & Benefits
https://draxe.com/activated-charcoal-uses/
similar - http://www.aqua-optima.com/
more :
https://www.google.com/search?q=activated+carbon&tbm=shop
https://www.walmart.com/search/?query=Activated%20Charcoal
Researchers develop tea bag filter that cleans water
http://www.bbc.com/news/world-africa-11156031
Stellenbosch University's Hope Project patents 'tea bag' water filter
https://newatlas.com/tea-bag-water-filter/16373/
The History of the Tea Bag
https://timedotcom.files.wordpress.com/2015/09/9-1952-first-flo-thru-bag-ad-e1440453638970.jpg