Airpura T600 and T700 Smoke Eater Air Purifiers - 1-Year Filter Replacement BundleAirpura T600 and T700 Smoke Eater Air Purifiers 1 Year Filter Replacement Bundle Get all the replacement filters you will need for your Airpura T600 or T700 smoke eater over the next 12 months This 1 year filter replacement bundle includes: 1 Stage 1 TarBarrier Pre Filters (6 Pack) *Replace every 1 3 months 1 Stage 3 HEPA Barrier Post Filter (No Frame) *Replace once per year For use in the following Airpura Air Purifiers; Airpura T600 and T700 Tobacco