Foldable Paper Weighing Funnel Kit - M

The antistatic weighing paper is designed for convenience and economic, and must be folded into a funnel shape. Once folded, it is easily inserted into a cardboard support base to form a weighing funnel kit. Each pack includes 4 cardboard support bases. US Patent No. 11041750.

Usage: Fitted for 14/20 taper outer joint flask.
Qty / Pk: 500