Airpura T400 Tobacco Smoke Air Purifier

• Designed for tobacco-smoke chemicals, odors, tar, and airborne particles
• Vacuumable Tar Barrier protects downstream filtration from smoke residue
• 12-pound, 2.25-inch carbon filter uses 100% coconut-shell activated carbon
• HEPA Barrier captures 95% of airborne particles at 1 micron
• 360-degree air distribution; rated for up to 1,000 sq. ft. at 2 air exchanges per hour with 8-foot ceilings
• Three-speed fan and compact powder-coated steel housing

<details open><summary>How much space does the Airpura T400 cover?</summary><p>Airpura rates the T400 for up to 1,000 square feet at two air exchanges per hour, based on 8-foot ceilings. The coverage rating should be read together with those ceiling-height and air-exchange conditions.</p></details><details open><summary>What filters does the T400 use for tobacco smoke?</summary><p>The T400 combines a vacuumable Tar Barrier, a 12-pound activated carbon filter, and a HEPA Barrier. The carbon filter targets smoke-related chemicals and odors, while the Tar Barrier and HEPA Barrier address residue and airborne particles.</p></details><details open><summary>Does the T400 have a true HEPA filter?</summary><p>The supplied T400 specifications list a HEPA Barrier that is 95% efficient at 1 micron. Do not confuse this rating with 99.97% true-HEPA filtration.</p></details><details open><summary>How often should I replace the T400 filters?</summary><p>Airpura suggests replacing the vacuumable Tar Barrier every 6–12 months depending on cigarette-smoke exposure. Its listed replacement intervals are two years for the carbon filter and one year for the HEPA Barrier.</p></details><details open><summary>How big is the Airpura T400, and does it have wheels?</summary><p>The T400 measures 15.5 inches high by 12 inches wide and has a powder-coated steel housing. It has no casters and operates on 110–120V power.</p></details>