Aqua One Precision 2500 Airpump Single 160 L/hr Type Together Time so can be used for

so can be used for both small and big dogs

9 cm Large 39 - 59 cm 2

You do not punish or physically control the dog

Pointers etc X-Large 20cm  -  25cm Ridgeback

Aqua One Precision 2500 Airpump Single 160 L/hr Type Together Time so can be used forAqua One Precision 2500 Air pump are a great way to increase oxygen in your aquarium, and create bubbles in your tank. Precision is one of the top selling brands of air pumps with proven reliability. Available in outputs of 60 800 litres of air per hour, they can cater to all aquarium sizes. Features & Benefits High quality robust units that have been built to last Silent operation Single and twin outlets 2 + 1 Year Guarantee