SPT 2062-VOC VOC Formaldehyde Filter for AC-2062 Type: Replacement Filter Used For: Air Purifier Feature: Formaldehyde and other VOCs can be found in building materials, foam insulation, household products and fuel-burning appliances. They can prompt headaches, vomiting, rashes, asthma attacks and some are suspected to cause cancer. Effectively removes formaldehyde, toluene and VOC. Factory tested: VOC removal efficiency reaches 95%, under the following conditions: 1m3 test room; initial concentration: 1.9-2mg/m3; 4hrs testing.