water filtration
	-black/grey water
	-equipment/parts/supplies
	-replacement

90 day: p22,42-44,52,54-55,58
EDO regenerative: p52-,53,58,64,66,69,71
hoid: p8,15-17,18-22
regenerative: 21,33

assume general RO filters (http://www.freedrinkingwater.com/faq.htm)

whole thing = 30 lbs

1000 gal water: two C filters (3 lbs total)

75-90 gallons/day