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dominus_aranearum t1_jecpqnk wrote

I do. Both of my shop vacs have a 2-1/2" inlet and 1-7/8" hoses with a connector that fits the 2-1/2" vacuum inlet.

So it really depends upon where OP is getting his/her measurements from. I use a 2" to 1-1/2" Fernco coupler to attach my shopvac hose to 1-1/2" PVC.

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