Blackdecker corded blower vacs blackdecker gw2500 gb this corded blower vac from blackdecker has high performance suction power capable of removing even the most stubborn wet garden debris a powerful shredder reduces the volume of debris from 10 to 1 accelerating composting and ease of disposalthe gw2500 gb has a high capacity collection bag which minimises the need for frequent emptying and a large opening ensures easy empty of debris this lightweight blower vac has a blowing speed of