Read more Aero Breath FE Aero Breath FE Aero Breath Replaceable filter Aero Breath Replaceable filter Package Dimensions 7.95 x 7.95 x 4.29 inches 7.95 x 7.95 x 4.29 inches 3.9 x 3.9 x 1.18 inches 3.9 x 3.9 x 1.18 inches Weight 27.2 Oz 27.2 Oz 1.6 Oz 1.6 Oz Color Black White Black White Batteries 2 Lithium Ion batteries required. (included) 2 Lithium Ion batteries required. (included) - - Components Aero Breath FE main body, cradle, ear-neck band, neck supporter, filter, ear-band, C-type cable Aero Breath FE main body, cradle, ear-neck band, neck supporter, filter, ear-band, C-type cable 1 replacement filter for Aero Breath & Aero Breath FE 1 replacement filter for Aero Breath & Aero Breath FE Material ABS, PP, PC, Neoprene Silicone (Medical Grade) ABS, PP, PC, Neoprene Silicone (Medical Grade) ABS, PP, PC, Neoprene Silicone (Medical Grade) ABS, PP, PC, Neoprene Silicone (Medical Grade)