We offer discount for large quantity. Welcome to contact with us! 1. It can effectively filter pet hair, dust, impurities and large particles to keep the air clean.2. This filter can reduce dust, pollen and other allergens from entering the air you breathe.3. Specially designed for Dyson purifier HP00 HP01 HP02 HP03 DP01 DP03, with strong practicability.4. Using composite filter elements, primary mesh + high efficiency particulate air filter layer + activated carbon filter elements.5. Easy to install and replace, regular replacement can effectively improve the efficiency of the purifier.Colour: white + greenMaterial: plastic + paperSize: 21.2cm x 15cmPackage Contents:1 x Air purifier filterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.