Sterra X™ 1-Year Filter Set for Tank Hot & Cold Water Purifier Sale! from $299.00 SGD $399.00 SGD /per
Sterra X™ 2-Year Filter Set for Tank Hot & Cold Water Purifier Sale! from $499.00 SGD $598.00 SGD /per
Sterra X™ 3-Year Filter Set for Tank Hot & Cold Water Purifier Sale! from $649.00 SGD $897.00 SGD /per