The construction of biofil digester chamber is low-cost, safe and cheaper than septic tank or Man-hole system, The price for constructing the standard size (3ft X 4ft X 2ft deep with soakaway is ...

The construction of biofil digester chamber is low-cost, safe and cheaper than septic tank or Man-hole system, The price for constructing the standard size (3ft X 4ft X 2ft deep with soakaway is ...

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