Conversion Chart

Membrane Size (GPD)

(Product Water)

ML Per Minute

Gallons per Day

Ratio

8-12 150 Green 55 5:1
13-14 165 Silver 65 5:1
15-25 250 Red 85-95 5:1
25 300 Black 113-120 5:1
35 350 Purple 125-140 4:1
45 400 Blue 145-150 3.5-4:1
50 450 Yellow 165-175 3.5-4:1
55 500 White 190 3.5-4:1
60 550 Dbl. Red 208-211 3.5:1
65 600 Dbl. Black 225 3.5:1
70 650 Dbl. Yellow 245 3.5:1
75 700 Dbl. Purple 265 3.5:1
80 750 Dbl. Green 285 3.5:1
85 800 Dbl. Blue 300 3.5:1
90 850 Dbl. Silver 320 3.5:1
Formula:   To convert GPD to Milliliters:    GPD ÷ 0.3785 = ML               To Convert Milliliters to GPD:    ML × 0.3785 = GPD