Air Cap prevents sewage from flowing back into the dishwasher. When water flows through the drain hose, it creates a suction on the water still in the dishwasher. The air gap, makes a hole for air to get in. That way, the water only leaves the dishwasher when it supposed to, when it is pumped out.

Features:

• Durable brass construction with chrome finish
• Deck-mount, single-hole installation
• Ensures that water flows in the right direction during the dishwasher cycle
• Prevents dirty dishwasher water from overflowing into your main water lines
• Replacement for deck dishwasher air gaps
• Easy to Install - Fits all standard air gap bodies
• Cap covers entire air gap body to install flush to sink
• Chrome finish

Specification:

• 1-3/4" Diameter Brass Cap
• 2-3/4" Long Brass Cap
• 1/2" High Flange
• 2” Wide Flange