Product#: TG-2370 Availability: This item normally ships within 1 - 2 business days. Description: Reverse joint arrangement (cap-style) on gas washing bottle with standard taper outer (45/50) stopper and a fritted disc (COARSE OR EXTRA COARSE) angled at 15 degrees. Top joint on bottle is standard taper (45/50) inner joint. Stopper is held in place with a polyacetal clamp. Clamp supplied when ordered complete.