 |
 |
 |
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Design 1
|
Design 2
|
Design 3
|
Design 4
|
|
Aesthetic appeal
|
3
|
4
|
3
|
4
|
Amount of maintenance
|
3
|
3
|
2
|
4
|
Quality of filtration
|
4
|
3
|
3
|
4
|
Integration with tank
|
3
|
2
|
3
|
3
|
Chance of blockage
|
2
|
2
|
3
|
4
|
Energy required
|
3
|
4
|
3
|
4
|
Total
|
18
|
18
|
17
|
23
|
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