Ace Glass 7281-12 Jacketed Pressure Equalizing Addition Funnel, 29/42 Joints, 500 mL

Jacketed version of 7297 series addition funnels. Jacket runs from shoulder at top of vessel to just above the PTFE stopcock with size D hose connections for 3/8-in ID tubing. Equalizing side arm runs from top of vessel to just below the stopcock. Graduations are both ascending and descending volume. Top and bottom standard taper joints are the same size. Bottom drip tip extends to the edge of the bottom inner joint. Top outer joint is reinforced. PTFE stopcock plug is 4 mm bore.