Tata chemiclas ltd

Sir, we required following filter media for our stp sand filter at tcl town material are as under 1)coarse sand- 6-14 bss mesh 4640 kgs 2)fine sand 16-32 bss mesh 160 kgs 3)graded gravel 1/4"-1/10" 375 kgs 4)pebbles 1/2"-1/4" 375 kg