The JGB Enterprises Racking Cane Filter is a simple but effective screen that works very well when racking with whole hops, oak, or fruit in the fermenter. Simply slide this over the bottom of the racking cane and begin the siphon. Made from stainless steel. Note- You may want to use a hose clamp to tighten this to the racking cane. Designed to fit over a 3/8" racking cane.