Airgap AG200-007 Dual Air Gap for Dishwasher and Tankless Reverse Osmosis Filter and Extra Long ThreadAirgap AG200 007 A dishwasher air gap is a critical component in maintaining a safe water supply. It prevents contaminants in the sink from flowing into the dishwasher and is required by code in most states. The AMERIGAP brand dishwasher air gap provides many advantages over other air gaps available on the market and ensures safety and peace of mind that your water supply is clean. The AG200 007s maximum flow rate is 12 gallons per minute (GPM). The