![FERRODAY 5/16 Barbed Air Line Filter [4 PCS]- Sanitary Air Filter Air Line Fittings for Beer Brew Keg Air Filter for Homebrew White Air Filter for Fish Tank Translucent Plastic Gas Line Fitting](https://m.media-amazon.com/images/I/216FZ2+dg0L._SL500_.jpg "FERRODAY 5/16 Barbed Air Line Filter [4 PCS]- Sanitary Air Filter Air Line Fittings for Beer Brew Keg Air Filter for Homebrew White Air Filter for Fish Tank Translucent Plastic Gas Line Fitting")
Product Review
These filters are manufactured specifically for filtering air
Labeled with in and out for proper identification of direction,but the direction you use doesn't matter,you should keep the air flow going one direction when using it.
Discard if their are any signs of discoloration.
Package:4*Filter
