Berkey Light Gravity-Fed Water Filter with 2 Black Berkey Elements & 2 PF-2

I'm an Amazon seller, this item was returned to me but never used.

OUR MOST ECONOMICAL OFF-GRID, OUTDOOR POTABLE WATER SOLUTION, the 2.75-Gallon Berkey Light System removes or dramatically reduces over 200+ typical contaminants that could be present in lakes, rivers, ponds, streams and other freshwater sources. Black Berkey Elements provide filtered water for just pennies per gallon.
FLUORIDE AND ARSENIC REDUCTION- Berkey PF-2 are designed for use in conjunction with Black Berkey Elements to adsorb fluoride, arsenic(V) and pre-oxidized arsenic(III), and other residual typical heavy metal ions.
ENJOY GREAT-TASTING TAP WATER EVERY DAY- The Berkey Light System can be used at the campground, RV park, base camp or off-grid shelter to transform questionable water into clean drinking water that's also ideal for hydrating freeze-dried food, making your favorite beverages, cooking and personal hygiene. Equipped with Black Berkey Elements, the Berkey Light System addresses over 200+ try