• The Electric Pump Made of High strength hard plastic for Long lasting use. Hose connection nozzles, replacement hose attachments compatible for most electric sup pump which comes with inner threaded hose and connection parts
• SIZE: It's 0.8 inch in diameter on the valve side and 0.55 inch diameter on the hose side. Each H3 valve adapter set includes 3 rubber 0-rings (washers) of different thickness,0.20IN(5.2MM), 0.20IN(5.2MM),0.12IN(3MM)please find the right 0-ring to seal better
• Electric sup air pump hoses to fit for Halkey-Roberts valve. for Halkey-Roberts Air Valve Adapter-Perfect fit 12v electric pumps, hand pump or foot pump. Fit for Halkey-Roberts Air Valve Adapter for connection to paddle board air compressors, inflatable kayak electric pump
• Compatible for Most 16-25PSI High Pressure Sup Electric Pump Hose that use universal Paddleboard (SUP) Pump Adaptor
• AFTER-SALE Customer Service: If you have any questions or concerns, please do not hesitate to contact us. We will do our best to provide you with a satisfactory shopping experience