Funnel for deer feeder

This is an end funnel for a Moultrie Classic Hunter 30-Gal. Feeder. Red squirrels chewed up the actual funnel so I designed this to replace it.
Link to feeder site-http://www.cabelas.com/product/Moultrie-Classic-Hunter-Gal-Feeder/1829695.uts?productVariantId=3839519&srccode=cii_17588969&cpncode=32-409613834-2&WT.tsrc=CSE&WT.mc_id=GoogleProductAds&WT.z_mc_id1=03869556&rid=20