Bissell Canister Post Motor Hepa Filter Part # 2037414 Bisssell Pet Hair Eraser Cyclonic & Opti Clean Cyclonic Canister Post Motor Hepa Filter, Fits With Bissell Models : 66T6, 33N7H, 66T6H, 66T61, 66T6D, 66T6-1. Genuine Part # 2037414, 203-7414.