Backwashing Specifications

Sand Filter Media

Sand 0.62 e.s.1.30 U.C.

Coal Filter Media 

Sand 1.75 e.s. 1.37 U.C.

Dual FilterMedia 

Sand 0.62 e.s. 1.32 U.C Coal 1.30 e.s. 1.46 U.C.



UnderWater World has been doing business with River Sands Pty Ltd for a number of years and have always found them to be reliable and efficient, timely and cost effective. The quality of their filter media products has always met our high expectations and it has been a pleasure to have them as a supplier.

Neil Swann, Marketing Manager, UnderWater World, Mooloolaba.