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Bio Filters

BIO Septic Filter Tank

Non-Electric BIO Septic Filter Tank – Compact Wastewater Treatment Unit

This product is a rotomolded polyethylene (PE) non-electric bio septic filter tank, designed for decentralized wastewater treatment. The tank uses gravity-based, multi-chamber filtration and biological treatment processes to purify domestic sewage or greywater without electricity or ongoing maintenance.

Manufactured from high-density polyethylene (HDPE/LLDPE) through a one-piece molding process, the tank is corrosion-resistant, UV-stabilized, and built to withstand underground pressure. Its ribbed design ensures high structural integrity and long-term durability. The green access cover allows easy inspection and cleaning (if required), while the integrated inlets and outlets facilitate quick installation.

Key Features:

  • Material: Rotationally molded HDPE/LLDPE (anti-corrosion, impact-resistant)
  • Design: Ribbed body for high strength and underground stability
  • Operation: Gravity-based, non-electric treatment process
  • Function: Anaerobic + aerobic biofiltration stages inside
  • Installation: Underground or partially buried setup
  • Access: Green screw-top lid for inspection
  • Inlet/Outlet: Standardized connections for plumbing or PVC pipes

 

Specification Details
Model Type Bio Septic Tank / Biological Filter Tank
Tank Volume Available in various sizes (e.g. 500L, 1000L, 1500L, 2000L, 3000L, 5000L)
Material High-Density Polyethylene (HDPE) or LLDPE (UV stabilized, rotomolded)
Color Black Body with Green or Black Lid
Structure One-piece seamless design with external rib reinforcements
Inlet/Outlet Diameter 110 mm / 160 mm or as per requirement (PVC-compatible)
Filtration Stages Multi-stage: Anaerobic chamber + Bio filter media chamber + Settling zone
Media Type Fixed bio-media / honeycomb structured PVC media / MBBR-type plastic media
Treatment Capacity Depends on model – typically supports 4 to 25 people per tank
Installation Type Underground or semi-buried
Inlet/Outlet Location Side-facing, customizable for left/right flow configuration
Access Lid Threaded or clamp-on access cover for inspection
Maintenance Minimal – Sludge removal once every 2–3 years (depending on usage)
Service Life 15–20 years typical (UV-stabilized plastic, corrosion-resistant)
Working Temperature -20°C to 55°C
Standards Compliance ISO 9001, ISO 14001, or equivalent (varies by manufacturer)

 

BIO Septic Filter Tank
Item Attachments
Bio Filter tank PDF

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