MasterPart compatible Vax air purifier replacement Type 113 filter kit. Designed to trap and capture harmful allergens and dust particles and should be replaced regularly to achieve the best results from your Vax air purifier. Kit Contains - X2 Carbon Filters & X1 HEPA filter Fits the following models - AP01, AP04 Please note this part is a non genuine compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only.