How to filter wine<br>Obtain a gravity flow filter. This method of filtering is the cheapest of all the filtration methods. It works by connecting the filter body, containing a filter pad, with a siphon tube.
All filtering methods have the same cost.
( z1 cost :ARG1 ( z2 method :ARG0-of ( z3 filter ) :mod ( z4 all ) ) :ARG2 ( z5 monetary-quantity :ARG1-of ( z6 same ) ) )