After registration to vacuum-bell.net, you can download pdf drawings of the products to decide the best fit for you.

During check out process you can use Free Checkout to continue. 

After, go to your account and Downloads to choose the sizes you would like to test. 

You can print them out on standard A4 paper. 

Technical Drawing – Mini Vacuum Bell (16 cm)

Official DWG file for Mini (Pediatric) Vacuum Bell

For technical and distributor reference only