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Trickle box filter system. (A) Assembled using 5 mm transparent acrylic sheet, the trickle box is placed on the water reservoir to collect water from the draining line and filter it before returning the water to the water reservoir. Each compartment contains ceramic rings and cotton sponge filter. Arrows shows the flow of water. (B) The trickle box filter system is placed on the water reservoir by sitting on a holder made with PVC fittings.
