Back pack leaf blowers like this Sanli BSB33 are suitable for more prolonged use over bigger areas in the garden. Worn on the back with comfortable padded shoulder straps the Sanli BSB33 petrol blower uses a directable blower tube for powerful clearing of leaves & debris. Ideal for using on fallen leaves & clearing drives & pathways. The Sanli BSB33 back pack blower has a 2 stroke 32.6cc petrol engine & produces an air speed of 52 metres per second & blow speed of 187 km/h. Easily controlled with a joystick on & off switch. Specifications: Blower Type: Back Pack Engine Capacity: 32.6cc Engine Type: 2 stroke Power Output: 0.9 k W Starter: Recoil / Manual Blow Speed: 187.2 km/h Air: 52 metres per second Shoulder Strap: Yes Blow Tube: Included Weight: 6.8kg Warranty: 1 Year (extended to 2 years if registered by the customer on the Sanli website)