Dust extractor Ysplitter

Iø: 99.3mm to 2x Iø: 95mm Oø: 103.3mm to 2x Oø: 99mm I use this splitter for the two hoses that comes out of my dust extractor. And to keep suction up, i have a cap on top of the one hose I am not using, to keep the other hose at full suction.