This product contains a replacement filter pack for the MeacoClean CA-HEPA 47x5 Air Purifier. It includes one true HEPA filter and one charcoal filter, which uses approximately 130g of enhanced coconut charcoal for improved cleaning. The air purifier will signal when the filter needs replacement, with each filter lasting around 6 months. For health and safety reasons, this product cannot be returned if the plastic bag around the HEPA filter has been opened. A return charge of £5 will be deducted from refunds issued within 14 days of delivery.