Description
Product details
water filter that uses quartz silica sand, not just any regular type of sand as it is a great filtration element in the process that filter up particles down to 20 micron.The homogeneous sand filter has a 0.9–1 m deep bed and typically of 0.85–1.7 mm of sand (effective size 0.9 mm) placed on a 50 mm layer of 4–8 mm or 75 mm of 6.7–13.2 mm gravel. Homogeneous sand of effective size up to 1.3 mm has also been used.



