We offer discount for large quantity. Welcome to contact with us! Compatible for Dyson models: DP01, DP03, HP00, HP01, HP02, HP03Compatible with: first generation purifying heaters Pure Hot + Cool Link (part numbers: 305571-01, 305570-01, 307058-01, 308396-01, 308395-01)Dual-layer HEPA filter removes pollutants and gasesRecommended to replace the filter on average 3-6 months or depend on usagesize:212x150mmMaterial:PTFEcolour:White + purplePackage Contents:1 x filter1 x Clean BrushOnly 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.