£37.99 and £39.99 at Geepas Partner, checked 1 Nov, 20:33 UK time: the 3L is £2 more at Geepas Partner.
“3L” in its name, against “1.5L”.
We don’t test products. Facts are the makers’ and shops’ own words; prices are those we read, with when. A price can change after we read it, and delivery may cost extra.