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.
Filtration with other equipment besides a filter body,filter pad, and siphon tube can be more expensive. 
Other methods can be more expensive, because this method is the cheapest.  
( z1 possible :ARG1 ( z2 have-degree :ARG1 ( z3 filter :instrument ( z4 equipment :mod ( z5 other ) :ARG2-of ( z6 except :ARG1 ( z7 and :op ( z8 body :ARG0-of ( z9 filter ) ) :op ( z10 pad :ARG0-of z9 ) :op ( z11 tube :ARG0-of ( z12 siphon ) ) ) ) ) ) ) :ARG2 ( z13 expensive ) :ARG3 ( z14 more ) )