Best used as a Spare part. The new Innova valve with a modern ergonomic design. The Push-Push system enables easy operation such that the valve closes by pressing the piston without the need for rotation. Valve cap is approximately 2 3/8 inches in diameter. (2020 part number 044851) See videos at links below.
How The Valve in Your Innova Inflatable Kayak or Canoe works - Valves starting in 2010
How The Valve in Your Innova Inflatable Kayak or Canoe works - Valves up to 2010
See the Innova Push-Push Valve Video