Dehumidifier - small for filament box (Calcium Chloride)

I needed a something to help keep my filament spool dry (NB, do not print the actual bottle! It's just for show.) . This is a calcium chloride de-humidifier designed to fit onto an existing bottle that we had finished and were about to discard (I think it is http://www.pbpackaging.comk.au/ProductsDetail.aspx?enc=SQ3n08Ed%2bhEtNGGLkOY2WS9QmiYIM57WaxG1Qw%3d%3d ). Common 260ml bottled used for vitamins and the like in Australia so it is nice and small to fit into my spool holder box. The basket han