This is a Cole-Parmer WSP425. The outside diameter is 1/4 of an inch.
We have inspected this item and we do not have the capability to install the unit to fully test it. There are some cosmetic scuffs and scratches throughout the unit. Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Technical Specs
| Item | WSP425 |
| Outside Diameter | 1/4 in |