I just received my email sale flyer from Hittle. Here's what it says about the micro-mini vac attachments-
Fits Vacuum Cleaner hoses from 1 1/4" to 1 1/2" inside diameter. Great for cleaning sewing machines, computers, vcr's, cameras, etc Net Cost $8.99 Item no. msc.81987_sgl
The best I could do for a link is a little more than halfway down this page-
Leslie & The Furbabies in MO.