These Polypropylene funnels are best suited for transferring powder regents. The unique feature of these funnels is its parallel stem that minimizes bridging of powder. These funnels are steam autoclavable at 1210 C.Material :- Polypropylene HSN CODE:- 39269099Item No.Particulars (mm)InsideStem LengthPackingGSI/PL/5722165652236 Pcs.GSI/PL/5722280783036 Pcs.GSI/PL/572231001003336 Pcs.GSI/PL/572241501453012 Pcs.