Proprietary colorimetric paper technology. Detects presence of CO2 within seconds. Reduces unnecessary waiting time and minimizes the number of X-rays needed for procedure. Ends the guesswork about proper gastric tube placement. Convenient bellows device clears obstructions from distal tip, prevents CO2 from entering tube prematurely and facilitates airflow for quick results. Easily attaches to either a bellows or syringe. Requires no change in insertion technique. Universally adapts to all feeding and NG tubes.