Replacement 6 month filters for 3 stage aquarium RO

(Stage 1) 5 Micron Sediment Filter :
With only five micron rating. It is effective in removing dirt, rust and sand particles.
(Stage 2) Carbon Block Filter:
It takes out 99% of the chlorine and organic chemicals. It provides enhanced reduction of taste, odor, and color. Protect and prolong the life of membrane.