Stem Dimensions: 9 mm
Constructed with a strong, molded rim, heavy uniform walls, and a fire-polished stem for a long service life. Unique 58° funnel angle provides faster and more effective filtration than the standard 60° funnel design. Funnels also have a high resistance to chemical attack and mechanical and thermal shock.
Designed from ASTM Specification E1095, Type 1, Class A requirements.