Product#: TG-4670 Availability: This item normally ships within 1 - 2 business days. Description: Same as 4660, with the addition of a side tubulation having a 4mm glass or 4 mm TeflonŽ stopcock. Standard taper outer joint is 24/40. Approximate capacity of this funnel is 600 ml and Fritted disc O.D. is 90 mm.