filter cone, like a false bottom or something else?
if its 'something else' you might consider a SS braid, and a couple of tight zip ties to hold it on to the drain barb.
never had a stuck sparge yet with this method.
Primary: English Mild
On tap: Pale Ale, Lancelot's Wheat, English Brown Ale, Steam Beer, HoovNuts IPA
Bottled: MOAM, Braggot, Raspberry Melomel, Merlot, Apfelwein, Pyment, Sweet mead, Cabernet
Gal in 2009: 27, Gal in 2010: 34, Gal in 2011: 13, Gal in 2012: 10