Product#: TG-4660 Availability: This item normally ships within 1 - 2 business days. Description: Similar to 4619, except with a tooled top opening that accepts a rubber stopper (#3). With the stopper in place, moderate pressure may be applied (not to exceed 15 p.s.i.). Available in extra coarse, coarse, medium, and fine porosities. Stopper sold
seperately, see STOPPER Section in this catalog. Please specify disc porosity.