New HEPA Filter For Dyson Pure Cool Link Fan DP01 DP03 Hot Heater HP00 HP02 HP03. HEPA Filter For Dyson Air Purifier Pure Cool Link Fan DP01 DP03 HP00 HP02 HP03. Compatible with Dyson pure hot + cool link HP00 HP01 HP02 HP03 and first generation purifying heaters Pure Hot + Cool Link (part numbers: 305571-01, 305570-01, 307058-01, 308396-01, 308395-01).