Borosil Scientific Glass Filter Funnels are manufactured from high-quality 3.3 borosilicate glass, offering excellent chemical and thermal shock resistance. Designed with a 60˚ bowl angle, they ensure a precise fit for standard filter papers. Complying with IS 1591 and DIN/ISO 4798 standards, these funnels are ideal for filtering and decanting liquids of various densities in laboratory applications.