Kimble 29020 KIMAX Powder Filling Funnels have a short, wide stem. Constructed with a heavy uniform wall and a strong, fire polished rim and stem to give a long service life. Funnel has a high resistance to chemical attack and mechanical and thermal shock. Designed from ASTM Specification E1095, Type 4 requirements. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.
(Sample Photo Displayed. Individual items may differ from the image shown)