The authors regret that there were some errors in the text and Figure 5 of their original paper and apologise for any inconvenience caused. The corrected text is given below.

Clogging sensitivity

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Figure 5 should be shown as

Figure 5

Headloss comparison of the reference and the K5 equipped filters (a) during the studying period and (b) the associated box plot statistical approach.

Figure 5

Headloss comparison of the reference and the K5 equipped filters (a) during the studying period and (b) the associated box plot statistical approach.