Matched context for biofilter and biofilter

The page lists matched contexts for biofilter and biofilter.

Share - biofilter	Share - biofilter	Phrase
32.96%	32.96%	{biofilter or biofilter} media
26.28%	26.28%	{biofilter or biofilter} bed
20.42%	20.42%	ppc {biofilter or biofilter}
7.31%	7.31%	{biofilter or biofilter} design
5.67%	5.67%	{biofilter or biofilter} arrangement
3.87%	3.87%	{biofilter or biofilter} gas
2.22%	2.22%	{biofilter or biofilter} system
1.23%	1.23%	{biofilter or biofilter} [does] have