Table 2.

Ranking of 4 filters based on maximum pressure, efficiency and capacity.

Ranking	Filter	Efficiency (%)	Capacity (gsm)	Capacity ratio	Capacity ratio
1	MC	80–100	36.5	1.52	1.38
2	SC	80–100	26.4	/	1
3	MU	40–100
4	SU	40–100	24	1	/