NRS River Tube Valve Accessories or oval-shaped wooden rails

or oval-shaped wooden rails

Removal backpack lid

ULTRALIGHT HAMMOCK SHELTER SYSTEM

and built for hooks sizes 28 to 4/0

Assortment of various popular models with regular hook

NRS River Tube Valve Accessories or oval-shaped wooden railsProduct Details This valve fits the NRS Wild River Tubes. It is a "Boston" type valve and may fit other types of inflatables. This valve is compatible with NRS River Tubes that do not have cup holders. The outer diameter outside the threads is 0. 94" (23. 89 mm) Open the top cap to inflate (inflation hole is 11 16 inch in diameter). Valve is one way. To deflate, remove valve from tube. Specs Dimensions: Outer diameter outside the threads is 0. 94"