Table 4.

Waste arising (thousand tonnes per FU) due to face mask use in the UK for 1 year.

	S1 – single-use masks	S2 – reusable masks, manually washed, w/o filter	S3 – reusable masks, manually washed, w/ filters	S4 – reusable masks, machine washed, w/o filter	S5 – reusable masks, machine washed, w/ filters
Waste arising per FU (kt)
Masks	66.2	6.83	6.83	11.7	11.7
Filters	–	–	29.5	–	29.5
Packaging	57.4	2.38	17.3	4.08	19.0
Total	123.6	9.21	53.63	15.78	60.2

FU; functional unit; w/o: without; w/: with.