Stahlsac Steel 22 Carry-On Atomic 41mm diameter

41mm diameter

The environment that an RK3 is used in will tend to dictate the size of fin that you need

It is powered by 3 disposable alkaline c-size batteries so you do not have to worry if it has been charged and it works where electricity is not always available

Looks good as well

One XTX50 has a 24” / 60cm hose

Stahlsac Steel 22 Carry-On Atomic 41mm diameterFeaturing a low profile frame and rugged construction, this bag still holds all the necessities. Perfect for single day trips, or as a carry on complement to a checked bag, letting you keep valuables close by. Features Built to airline size and weight requirements Waterproof bottom compartment for wet or dirty items Heavy duty rail along the bottom and reinforcements with abrasion resistant material on corners for travel toughness Low Profile frame