This kit was designed to cap off the scrubber between dive weeks to stop your sorb from drying out and keep it in good condition, also in the kit is a sorb deflector, that slips over the center tube and stops sorb getting in to the wrong places whilst filling the unit the final part of the kit is a thumb wheel the is used to keep the scrubber cap in place.
-It will keep water out of the scrubber if left on the boat over night
-Keep bugs and other nastys out
-And stop the scrubber material from drying out by stopping gas flow through the scrubber bed
-keep sorb out of the center tube wile filling the scrubber