Echo PAS-225VPB Pro Attachment Series Kit Blower 21.2CCFeatures: 21. 2 cc professional grade 2 stroke engine Single source power head fits all 15 PAS attachments Positive placement coupler ensures a secureand hassle free accessory connection witheasy change out between attachments Trimmer attachment (3 lbs. 34 L) includes the Speed Feed head Blower attachment (3. 9 lbs. 25 L) features 100 MPH air flow and 317 CFM