O’Brien Pump Lightning Valve Attachment is a simple hose adaptor for inflating O’Brien towables fitted with a Lightning Valve. If you already have a compatible pump but need the correct interface for this larger-style valve, this is the small but important piece that gets the job done.It is the kind of accessory that saves frustration: the right adaptor makes inflation quicker, cleaner and far easier than trying to improvise. If your towable uses a Lightning Valve rather than a Boston valve, this is the correct direction to go.Why choose this product? Designed to make Lightning Valve inflation easier and more reliable. Helps speed up setup by matching the larger O’Brien valve format properly. Straightforward hose adaptor format means there is very little to overcomplicate. Useful spare to keep with tube kit if you regularly inflate away from home. Specifications Pump side internal diameter 16mm Pump side external diameter 20mm Lightning valve inlet 30mm Use Adaptor for pumps and O’Brien Lightning Valve towables What’s includedLightning Valve pump attachment.Helpful links See more related kit in our pump accessories collection. Need the pump as well? Browse our pump collection. Explore the wider brand range in O’Brien at The SUP Company. FAQsWhat does this adaptor do?It connects a compatible pump hose to an O’Brien Lightning Valve so you can inflate the tube properly.Will it work for Boston valves?This adaptor is specifically described for Lightning Valve use. If your inflatable uses a Boston valve, you will need the appropriate Boston valve setup instead.Is this a full pump?No. This is the valve attachment only.