High Pressure Adaptor for quick inflationnCompatible on most SUP brands and inflatable productsnAchieve ideal PSI with less worknConnects to any high pressure shreader inflatornThe Slingshot High Pressure SUP Inflator Valve fits with the Halkey Roberts Valve. The best way to determine if the Slingshot inflator valve works with your inflatable craft is to check the valve and look to see if there are 8 square continuous key holders. The Slingshot HP SUP Inflator Valve is comnSlingshot SUP HP Valve Adaptor - The High Pressure Valve Adapter allows you to get the most out your inflatable stand up board. This adapter screws into the valve on your board, allowing you to use an air compressor to inflate your SUP to the desired PSI without the labor of manual inflation. Inflatable SUP's perform dramatically better at high PSI. Make sure you get the most out of your inflatable board with the Slingshot SUP HP Valve Adapter.