Genuine Hoover Futura Filter (#38765009) April 10, 2019 0 Price: $4.99 - $5.41(as of Apr 10,2019 08:09:44 UTC – Details) Genuine Hoover filter for Windtunnel and Spectrum canisters (goes behind the bag).Fits Futura and Spectrum/PowerMax canistersPart # 38765009Hoover Secondary Canister Filter Post Views: 318