Caution on installing the twinair pre filter on ktm 790-890 adventure r 19-23

The grommets that you take from the two air tubes are supposed to be flipped upside down and installed in this manner: Left grommet; turn it upside down and install it on the RIGHT SIDE Right grommet; turn it upside down and install it on the LEFT SIDE. The thing lip of the groomer should be facing up.