Combined Filtration Module (CFM)
Combined Filtration Module (CFM) 
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Application: Rooftop and surface runoff rainwater harvesting - Material: M25 Grade Precast Concrete with SS 304 components
- Design: Compact octagonal underground system with dual-use top structure
- Installation: Partly below ground with functional top (planter/sitter)
Product Variants
Planter Model
- Integrated planters on top for landscaping and aesthetic appeal
- Ideal for gardens, villas, and green spaces
Sitter Model
- Designed as a functional bench/seating element
- Suitable for public spaces, walkways, and outdoor areas
Key Features
Dual Filtration System
- Combination of gravel filtration, sand filtration, and SS screen
- Ensures effective removal of sediments from rainwater
Integrated Smart Design
- 16-pillar circular inlet system for uniform water distribution
- Horizontal inlet filtration using 40 mm gravels
Efficient Filtration Unit
- Inbuilt PVC sand filter with SS 304 screen
- Multi-layer filtration media for improved water quality
Space Optimization
- Combines rainwater filtration + utility (planter/seating) in one unit
- Ideal for urban developments and landscape integration
Durable & Low Maintenance
- Precast structure ensures strength and longevity
- Easy access for cleaning and maintenance
Usage
- Suitable for residential, commercial, and landscape projects
- Filtered water can be directed to recharge wells or storage systems
Modular stepwell Photos
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