3rd Gen Hill Pump with Dry Pack.
Here's what they say:
"Latest 3rd Generation Design features.
1. Less Effort, we have made the 3rd Gen Hill pump much easier to pump.
2. High Volume, we have kept the highest volume output so less pumping.
3. Field Service, you can strip the pump in the field in less than 5 mins.
4. Lifetime warranty, each pump carries a limited lifetime warranty.
5. Using the Included, Hill Dry Pack gives 90% Dry Air, great for your gun."
Pump comes with hose with 1/8" bsp connection. Some air guns may require additional adaptors.