AFX-10 Teledyne Air Cleaner Replacement Filter Fits Teledyne Water Pik AFX-10 and AFX-12. Measures approximately 7" x 9 1/2" x 2 1/4". Utilizes Filtrete micro-particle filter media. Unique, compact design reduces airborne dust, smoke and pollen. Four-stage cleaning system traps micro-particles down to 0.01 microns in size! Made by 3M.