GERi/KERi Hearing Aid by Nasco Healthcare $47.95 LF04090 GERi / KERi Hearing Aid / LF04090 / Cart Title GERi / KERi Hearing Aid Product ID LF04090 CheckoutType Cart Add to cart Alamin kung paano tumulong at maglagay ng hearing device sa tainga gamit ang GERi/KERi Manikin Hearing Aid.